1966031244 has 96 divisors (see below), whose sum is σ = 5240847360. Its totient is φ = 637056576.

The previous prime is 1966031233. The next prime is 1966031257. The reversal of 1966031244 is 4421306691.

1966031244 is a `hidden beast` number, since 1 + 9 + 6 + 603 + 1 + 2 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1966031199 and 1966031208.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 795699 + ... + 798165.

It is an arithmetic number, because the mean of its divisors is an integer number (54592160).

Almost surely, 2^1966031244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1966031244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2620423680).

1966031244 is an abundant number, since it is smaller than the sum of its proper divisors (3274816116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1966031244 is a wasteful number, since it uses less digits than its factorization.

1966031244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684 (or 2676 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 1966031244 is about 44339.9508795398. The cubic root of 1966031244 is about 1252.7472895499.

It can be divided in two parts, 19660312 and 44, that added together give a square (19660356 = 4434²).

The spelling of 1966031244 in words is "one billion, nine hundred sixty-six million, thirty-one thousand, two hundred forty-four".