1165552064 has 28 divisors (see below), whose sum is σ = 2330564808. Its totient is φ = 578323200.

The previous prime is 1165552061. The next prime is 1165552081. The reversal of 1165552064 is 4602555611.

It is a super-2 number, since 2×1165552064² = 2717023227789320192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165552061) 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, 61127 + ... + 77894.

Almost surely, 2^1165552064 is an apocalyptic number.

It is an amenable number.

1165552064 is a deficient number, since it is larger than the sum of its proper divisors (1165012744).

1165552064 is a wasteful number, since it uses less digits than its factorization.

1165552064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139164 (or 139154 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 1165552064 is about 34140.1825419842. The cubic root of 1165552064 is about 1052.3912436828.

The spelling of 1165552064 in words is "one billion, one hundred sixty-five million, five hundred fifty-two thousand, sixty-four".