1055064664 has 32 divisors (see below), whose sum is σ = 2053555200. Its totient is φ = 507641760.

The previous prime is 1055064653. The next prime is 1055064691. The reversal of 1055064664 is 4664605501.

It is a super-2 number, since 2×1055064664² = 2226322890442865792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32509 + ... + 56275.

It is an arithmetic number, because the mean of its divisors is an integer number (64173600).

Almost surely, 2^1055064664 is an apocalyptic number.

It is an amenable number.

1055064664 is a deficient number, since it is larger than the sum of its proper divisors (998490536).

1055064664 is a wasteful number, since it uses less digits than its factorization.

1055064664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23983 (or 23979 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 1055064664 is about 32481.7589425203. The cubic root of 1055064664 is about 1018.0279287230.

The spelling of 1055064664 in words is "one billion, fifty-five million, sixty-four thousand, six hundred sixty-four".