31466168620896 has 48 divisors (see below), whose sum is σ = 83593857622464. Its totient is φ = 10362352715904.

The previous prime is 31466168620883. The next prime is 31466168620897. The reversal of 31466168620896 is 69802686166413.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31466168620897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1974525706 + ... + 1974541641.

It is an arithmetic number, because the mean of its divisors is an integer number (1741538700468).

Almost surely, 2^{31466168620896} is an apocalyptic number.

It is an amenable number.

31466168620896 is an abundant number, since it is smaller than the sum of its proper divisors (52127689001568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31466168620896 is a wasteful number, since it uses less digits than its factorization.

31466168620896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3949067443 (or 3949067435 counting only the distinct ones).

The product of its (nonzero) digits is 107495424, while the sum is 66.

The spelling of 31466168620896 in words is "thirty-one trillion, four hundred sixty-six billion, one hundred sixty-eight million, six hundred twenty thousand, eight hundred ninety-six".