165771152264 has 16 divisors (see below), whose sum is σ = 314755353600. Its totient is φ = 81836391312.

The previous prime is 165771152263. The next prime is 165771152279. The reversal of 165771152264 is 462251177561.

It is not an unprimeable number, because it can be changed into a prime (165771152263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131147432 + ... + 131148695.

It is an arithmetic number, because the mean of its divisors is an integer number (19672209600).

Almost surely, 2^165771152264 is an apocalyptic number.

It is an amenable number.

165771152264 is a deficient number, since it is larger than the sum of its proper divisors (148984201336).

165771152264 is a wasteful number, since it uses less digits than its factorization.

165771152264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262296212 (or 262296208 counting only the distinct ones).

The product of its digits is 705600, while the sum is 47.

The spelling of 165771152264 in words is "one hundred sixty-five billion, seven hundred seventy-one million, one hundred fifty-two thousand, two hundred sixty-four".