1553564164 has 48 divisors (see below), whose sum is σ = 2896064640. Its totient is φ = 727626240.

The previous prime is 1553564147. The next prime is 1553564183. The reversal of 1553564164 is 4614653551.

It is a happy number.

It is a super-2 number, since 2×1553564164² = 4827123223330037792, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2349994 + ... + 2350654.

It is an arithmetic number, because the mean of its divisors is an integer number (60334680).

Almost surely, 2^1553564164 is an apocalyptic number.

It is an amenable number.

1553564164 is a deficient number, since it is larger than the sum of its proper divisors (1342500476).

1553564164 is a wasteful number, since it uses less digits than its factorization.

1553564164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180 (or 1178 counting only the distinct ones).

The product of its digits is 216000, while the sum is 40.

The square root of 1553564164 is about 39415.2783067683. The cubic root of 1553564164 is about 1158.1808992906.

The spelling of 1553564164 in words is "one billion, five hundred fifty-three million, five hundred sixty-four thousand, one hundred sixty-four".