152553665 has 32 divisors (see below), whose sum is σ = 212937984. Its totient is φ = 103690240.

The previous prime is 152553647. The next prime is 152553671. The reversal of 152553665 is 566355251.

It is a de Polignac number, because none of the positive numbers 2^k-152553665 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155657 + ... + 156633.

It is an arithmetic number, because the mean of its divisors is an integer number (6654312).

Almost surely, 2^152553665 is an apocalyptic number.

It is an amenable number.

152553665 is a deficient number, since it is larger than the sum of its proper divisors (60384319).

152553665 is a wasteful number, since it uses less digits than its factorization.

152553665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177.

The product of its digits is 135000, while the sum is 38.

The square root of 152553665 is about 12351.2616764442. The cubic root of 152553665 is about 534.3275272853.

The spelling of 152553665 in words is "one hundred fifty-two million, five hundred fifty-three thousand, six hundred sixty-five".