165313642 has 16 divisors (see below), whose sum is σ = 281100960. Its totient is φ = 72282672.

The previous prime is 165313639. The next prime is 165313703. The reversal of 165313642 is 246313561.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166828 + ... + 167815.

It is an arithmetic number, because the mean of its divisors is an integer number (17568810).

Almost surely, 2^165313642 is an apocalyptic number.

165313642 is a deficient number, since it is larger than the sum of its proper divisors (115787318).

165313642 is a wasteful number, since it uses less digits than its factorization.

165313642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334677.

The product of its digits is 12960, while the sum is 31.

The square root of 165313642 is about 12857.4352808015. The cubic root of 165313642 is about 548.8279636981.

The spelling of 165313642 in words is "one hundred sixty-five million, three hundred thirteen thousand, six hundred forty-two".