1656255144 has 16 divisors (see below), whose sum is σ = 4140637920. Its totient is φ = 552085040.

The previous prime is 1656255143. The next prime is 1656255151. The reversal of 1656255144 is 4415526561.

It is a super-2 number, since 2×1656255144² = 5486362204052921472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1656255143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34505292 + ... + 34505339.

It is an arithmetic number, because the mean of its divisors is an integer number (258789870).

Almost surely, 2^1656255144 is an apocalyptic number.

It is an amenable number.

1656255144 is an abundant number, since it is smaller than the sum of its proper divisors (2484382776).

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

1656255144 is a wasteful number, since it uses less digits than its factorization.

1656255144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69010640 (or 69010636 counting only the distinct ones).

The product of its digits is 144000, while the sum is 39.

The square root of 1656255144 is about 40697.1146888818. The cubic root of 1656255144 is about 1183.1570976759.

The spelling of 1656255144 in words is "one billion, six hundred fifty-six million, two hundred fifty-five thousand, one hundred forty-four".