667367104727398 has 8 divisors (see below), whose sum is σ = 1001089851038640. Its totient is φ = 333670487714520.

The previous prime is 667367104727359. The next prime is 667367104727399. The reversal of 667367104727398 is 893727401763766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667367104727399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6532260738 + ... + 6532362901.

It is an arithmetic number, because the mean of its divisors is an integer number (125136231379830).

Almost surely, 2^{667367104727398} is an apocalyptic number.

667367104727398 is a deficient number, since it is larger than the sum of its proper divisors (333722746311242).

667367104727398 is a wasteful number, since it uses less digits than its factorization.

667367104727398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13064649182.

The product of its (nonzero) digits is 2688505344, while the sum is 76.

The spelling of 667367104727398 in words is "six hundred sixty-seven trillion, three hundred sixty-seven billion, one hundred four million, seven hundred twenty-seven thousand, three hundred ninety-eight".