1562113664 has 32 divisors (see below), whose sum is σ = 3115331940. Its totient is φ = 780226560.

The previous prime is 1562113649. The next prime is 1562113669. The reversal of 1562113664 is 4663112651.

It can be written as a sum of positive squares in 2 ways, for example, as 1444608064 + 117505600 = 38008^2 + 10840^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (1562113669) 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, 124712 + ... + 136664.

Almost surely, 2^1562113664 is an apocalyptic number.

It is an amenable number.

1562113664 is a deficient number, since it is larger than the sum of its proper divisors (1553218276).

1562113664 is a wasteful number, since it uses less digits than its factorization.

1562113664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12988 (or 12976 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 1562113664 is about 39523.5836431870. The cubic root of 1562113664 is about 1160.3015625004.

The spelling of 1562113664 in words is "one billion, five hundred sixty-two million, one hundred thirteen thousand, six hundred sixty-four".