1656435116 has 24 divisors (see below), whose sum is σ = 3358256160. Its totient is φ = 700175232.

The previous prime is 1656435113. The next prime is 1656435167. The reversal of 1656435116 is 6115346561.

It is a self number, because there is not a number n which added to its sum of digits gives 1656435116.

It is not an unprimeable number, because it can be changed into a prime (1656435113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403151 + ... + 407238.

It is an arithmetic number, because the mean of its divisors is an integer number (139927340).

Almost surely, 2^1656435116 is an apocalyptic number.

It is an amenable number.

1656435116 is an abundant number, since it is smaller than the sum of its proper divisors (1701821044).

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

1656435116 is a wasteful number, since it uses less digits than its factorization.

1656435116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810473 (or 810471 counting only the distinct ones).

The product of its digits is 64800, while the sum is 38.

The square root of 1656435116 is about 40699.3257438007. The cubic root of 1656435116 is about 1183.1999508634.

The spelling of 1656435116 in words is "one billion, six hundred fifty-six million, four hundred thirty-five thousand, one hundred sixteen".