667701270158 has 16 divisors (see below), whose sum is σ = 1079515496976. Its totient is φ = 307906634880.

The previous prime is 667701270157. The next prime is 667701270167. The reversal of 667701270158 is 851072107766.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667701270157) 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, 10934891 + ... + 10995782.

It is an arithmetic number, because the mean of its divisors is an integer number (67469718561).

Almost surely, 2^667701270158 is an apocalyptic number.

667701270158 is a deficient number, since it is larger than the sum of its proper divisors (411814226818).

667701270158 is a wasteful number, since it uses less digits than its factorization.

667701270158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21931859.

The product of its (nonzero) digits is 987840, while the sum is 50.

The spelling of 667701270158 in words is "six hundred sixty-seven billion, seven hundred one million, two hundred seventy thousand, one hundred fifty-eight".