31066090168 has 16 divisors (see below), whose sum is σ = 58254968160. Its totient is φ = 15531432000.

The previous prime is 31066090157. The next prime is 31066090213. The reversal of 31066090168 is 86109066013.

It is a super-3 number, since 3×31066090168³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31066090168.

It is a congruent number.

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, 117733 + ... + 275668.

It is an arithmetic number, because the mean of its divisors is an integer number (3640935510).

Almost surely, 2^31066090168 is an apocalyptic number.

It is an amenable number.

31066090168 is a deficient number, since it is larger than the sum of its proper divisors (27188877992).

31066090168 is a wasteful number, since it uses less digits than its factorization.

31066090168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403278 (or 403274 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 31066090168 in words is "thirty-one billion, sixty-six million, ninety thousand, one hundred sixty-eight".