1556941164 has 48 divisors (see below), whose sum is σ = 3713472000. Its totient is φ = 507589056.

The previous prime is 1556941163. The next prime is 1556941171. The reversal of 1556941164 is 4611496551.

It is not an unprimeable number, because it can be changed into a prime (1556941163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93762 + ... + 109110.

It is an arithmetic number, because the mean of its divisors is an integer number (77364000).

Almost surely, 2^1556941164 is an apocalyptic number.

It is an amenable number.

1556941164 is an abundant number, since it is smaller than the sum of its proper divisors (2156530836).

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

1556941164 is a wasteful number, since it uses less digits than its factorization.

1556941164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15542 (or 15540 counting only the distinct ones).

The product of its digits is 129600, while the sum is 42.

The square root of 1556941164 is about 39458.0937704801. The cubic root of 1556941164 is about 1159.0194756176.

The spelling of 1556941164 in words is "one billion, five hundred fifty-six million, nine hundred forty-one thousand, one hundred sixty-four".