667196019931170 has 16 divisors (see below), whose sum is σ = 1601270447834880. Its totient is φ = 177918938648304.

The previous prime is 667196019931139. The next prime is 667196019931171. The reversal of 667196019931170 is 71139910691766.

It is not an unprimeable number, because it can be changed into a prime (667196019931171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11119933665490 + ... + 11119933665549.

It is an arithmetic number, because the mean of its divisors is an integer number (100079402989680).

Almost surely, 2^{667196019931170} is an apocalyptic number.

667196019931170 is an abundant number, since it is smaller than the sum of its proper divisors (934074427903710).

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

667196019931170 is a wasteful number, since it uses less digits than its factorization.

667196019931170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22239867331049.

The product of its (nonzero) digits is 23147208, while the sum is 66.

It can be divided in two parts, 66719601 and 9931170, that added together give a triangular number (76650771 = T₁₂₃₈₁).

The spelling of 667196019931170 in words is "six hundred sixty-seven trillion, one hundred ninety-six billion, nineteen million, nine hundred thirty-one thousand, one hundred seventy".