1656006160 has 20 divisors (see below), whose sum is σ = 3850214508. Its totient is φ = 662402432.

The previous prime is 1656006139. The next prime is 1656006197. The reversal of 1656006160 is 616006561.

It can be written as a sum of positive squares in 2 ways, for example, as 539911696 + 1116094464 = 23236^2 + 33408^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10349959 + ... + 10350118.

Almost surely, 2^1656006160 is an apocalyptic number.

1656006160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1656006160 is an abundant number, since it is smaller than the sum of its proper divisors (2194208348).

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

1656006160 is a wasteful number, since it uses less digits than its factorization.

1656006160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20700090 (or 20700084 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1656006160 is about 40694.0555855521. The cubic root of 1656006160 is about 1183.0978069016.

The spelling of 1656006160 in words is "one billion, six hundred fifty-six million, six thousand, one hundred sixty".