165088538 has 8 divisors (see below), whose sum is σ = 248034720. Its totient is φ = 82410300.

The previous prime is 165088529. The next prime is 165088571. The reversal of 165088538 is 835880561.

165088538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65438 + ... + 67913.

It is an arithmetic number, because the mean of its divisors is an integer number (31004340).

Almost surely, 2^165088538 is an apocalyptic number.

165088538 is a deficient number, since it is larger than the sum of its proper divisors (82946182).

165088538 is a wasteful number, since it uses less digits than its factorization.

165088538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133972.

The product of its (nonzero) digits is 230400, while the sum is 44.

The square root of 165088538 is about 12848.6784534442. The cubic root of 165088538 is about 548.5787414997.

The spelling of 165088538 in words is "one hundred sixty-five million, eighty-eight thousand, five hundred thirty-eight".