1660025424 has 160 divisors (see below), whose sum is σ = 4607205120. Its totient is φ = 514031616.

The previous prime is 1660025413. The next prime is 1660025467. The reversal of 1660025424 is 4245200661.

1660025424 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1660025391 and 1660025400.

It is a congruent number.

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, 8601072 + ... + 8601264.

It is an arithmetic number, because the mean of its divisors is an integer number (28795032).

Almost surely, 2^1660025424 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 1660025424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2303602560).

1660025424 is an abundant number, since it is smaller than the sum of its proper divisors (2947179696).

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

1660025424 is a wasteful number, since it uses less digits than its factorization.

1660025424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1660025424 is about 40743.4095775010. The cubic root of 1660025424 is about 1184.0541923394.

It can be divided in two parts, 16600 and 25424, that added together give a palindrome (42024).

The spelling of 1660025424 in words is "one billion, six hundred sixty million, twenty-five thousand, four hundred twenty-four".