1656143063016 has 64 divisors (see below), whose sum is σ = 4479978861120. Its totient is φ = 507167377920.

The previous prime is 1656143062991. The next prime is 1656143063027. The reversal of 1656143063016 is 6103603416561.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12512725 + ... + 12644388.

It is an arithmetic number, because the mean of its divisors is an integer number (69999669705).

Almost surely, 2^{1656143063016} is an apocalyptic number.

It is an amenable number.

1656143063016 is an abundant number, since it is smaller than the sum of its proper divisors (2823835798104).

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

1656143063016 is a wasteful number, since it uses less digits than its factorization.

1656143063016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25157346 (or 25157342 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

Adding to 1656143063016 its reverse (6103603416561), we get a palindrome (7759746479577).

The spelling of 1656143063016 in words is "one trillion, six hundred fifty-six billion, one hundred forty-three million, sixty-three thousand, sixteen".