3554157656 has 16 divisors (see below), whose sum is σ = 7616052240. Its totient is φ = 1523210400.

The previous prime is 3554157653. The next prime is 3554157661. The reversal of 3554157656 is 6567514553.

It is a self number, because there is not a number n which added to its sum of digits gives 3554157656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3554157653) 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, 31733495 + ... + 31733606.

It is an arithmetic number, because the mean of its divisors is an integer number (476003265).

Almost surely, 2^3554157656 is an apocalyptic number.

It is an amenable number.

3554157656 is an abundant number, since it is smaller than the sum of its proper divisors (4061894584).

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

3554157656 is a wasteful number, since it uses less digits than its factorization.

3554157656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63467114 (or 63467110 counting only the distinct ones).

The product of its digits is 1890000, while the sum is 47.

The square root of 3554157656 is about 59616.7565035200. The cubic root of 3554157656 is about 1526.0856060769.

The spelling of 3554157656 in words is "three billion, five hundred fifty-four million, one hundred fifty-seven thousand, six hundred fifty-six".