165257104 has 10 divisors (see below), whose sum is σ = 320185670. Its totient is φ = 82628544.

The previous prime is 165257089. The next prime is 165257111. The reversal of 165257104 is 401752561.

It can be written as a sum of positive squares in only one way, i.e., 159264400 + 5992704 = 12620^2 + 2448^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5164269 + ... + 5164300.

It is an arithmetic number, because the mean of its divisors is an integer number (32018567).

Almost surely, 2^165257104 is an apocalyptic number.

It is an amenable number.

165257104 is a deficient number, since it is larger than the sum of its proper divisors (154928566).

165257104 is a wasteful number, since it uses less digits than its factorization.

165257104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10328577 (or 10328571 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 165257104 is about 12855.2364427886. The cubic root of 165257104 is about 548.7653893633.

The spelling of 165257104 in words is "one hundred sixty-five million, two hundred fifty-seven thousand, one hundred four".