165387199337 has 16 divisors (see below), whose sum is σ = 167158397952. Its totient is φ = 163627122960.

The previous prime is 165387199319. The next prime is 165387199339. The reversal of 165387199337 is 733991783561.

It is a cyclic number.

It is not a de Polignac number, because 165387199337 - 2⁶ = 165387199273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 165387199337.

It is not an unprimeable number, because it can be changed into a prime (165387199339) 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 15 ways as a sum of consecutive naturals, for example, 36563558 + ... + 36568080.

It is an arithmetic number, because the mean of its divisors is an integer number (10447399872).

Almost surely, 2^165387199337 is an apocalyptic number.

It is an amenable number.

165387199337 is a deficient number, since it is larger than the sum of its proper divisors (1771198615).

165387199337 is a wasteful number, since it uses less digits than its factorization.

165387199337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5668.

The product of its digits is 25719120, while the sum is 62.

The spelling of 165387199337 in words is "one hundred sixty-five billion, three hundred eighty-seven million, one hundred ninety-nine thousand, three hundred thirty-seven".