667370669994 has 48 divisors (see below), whose sum is σ = 1713741976128. Its totient is φ = 190677333312.

The previous prime is 667370669993. The next prime is 667370670013. The reversal of 667370669994 is 499966073766.

It is a super-2 number, since 2×667370669994² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (667370669993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98081647 + ... + 98088450.

It is an arithmetic number, because the mean of its divisors is an integer number (35702957836).

Almost surely, 2^667370669994 is an apocalyptic number.

667370669994 is an abundant number, since it is smaller than the sum of its proper divisors (1046371306134).

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

667370669994 is a wasteful number, since it uses less digits than its factorization.

667370669994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196170121 (or 196170109 counting only the distinct ones).

The product of its (nonzero) digits is 555532992, while the sum is 72.

The spelling of 667370669994 in words is "six hundred sixty-seven billion, three hundred seventy million, six hundred sixty-nine thousand, nine hundred ninety-four".