1556466252 has 24 divisors (see below), whose sum is σ = 3961914432. Its totient is φ = 471656400.

The previous prime is 1556466217. The next prime is 1556466253. The reversal of 1556466252 is 2526646551.

It is a happy number.

It is a super-2 number, since 2×1556466252² = 4845174387229855008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1556466253) 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, 5895574 + ... + 5895837.

It is an arithmetic number, because the mean of its divisors is an integer number (165079768).

Almost surely, 2^1556466252 is an apocalyptic number.

1556466252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1556466252 is an abundant number, since it is smaller than the sum of its proper divisors (2405448180).

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

1556466252 is a wasteful number, since it uses less digits than its factorization.

1556466252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11791429 (or 11791427 counting only the distinct ones).

The product of its digits is 432000, while the sum is 42.

The square root of 1556466252 is about 39452.0753826716. The cubic root of 1556466252 is about 1158.9016188342.

The spelling of 1556466252 in words is "one billion, five hundred fifty-six million, four hundred sixty-six thousand, two hundred fifty-two".