39668230155 has 16 divisors (see below), whose sum is σ = 64509647904. Its totient is φ = 20809562880.

The previous prime is 39668230141. The next prime is 39668230177. The reversal of 39668230155 is 55103286693.

It is not a de Polignac number, because 39668230155 - 2²⁰ = 39667181579 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21675714 + ... + 21677543.

It is an arithmetic number, because the mean of its divisors is an integer number (4031852994).

Almost surely, 2^39668230155 is an apocalyptic number.

39668230155 is a deficient number, since it is larger than the sum of its proper divisors (24841417749).

39668230155 is a wasteful number, since it uses less digits than its factorization.

39668230155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43353326.

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 39668230155 in words is "thirty-nine billion, six hundred sixty-eight million, two hundred thirty thousand, one hundred fifty-five".