1556164 has 6 divisors (see below), whose sum is σ = 2723294. Its totient is φ = 778080.

The previous prime is 1556147. The next prime is 1556173. The reversal of 1556164 is 4616551.

It can be written as a sum of positive squares in only one way, i.e., 1512900 + 43264 = 1230^2 + 208^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194517 + ... + 194524.

2^1556164 is an apocalyptic number.

It is an amenable number.

1556164 is a deficient number, since it is larger than the sum of its proper divisors (1167130).

1556164 is a wasteful number, since it uses less digits than its factorization.

1556164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389045 (or 389043 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The square root of 1556164 is about 1247.4630255042. The cubic root of 1556164 is about 115.8826597825.

It can be divided in two parts, 15561 and 64, that added together give a 6-th power (15625 = 5⁶).

The spelling of 1556164 in words is "one million, five hundred fifty-six thousand, one hundred sixty-four".