667686096 has 120 divisors (see below), whose sum is σ = 2329713984. Its totient is φ = 173422080.

The previous prime is 667686073. The next prime is 667686121. The reversal of 667686096 is 690686766.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19021 + ... + 41196.

Almost surely, 2^667686096 is an apocalyptic number.

667686096 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

667686096 is an abundant number, since it is smaller than the sum of its proper divisors (1662027888).

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

667686096 is a wasteful number, since it uses less digits than its factorization.

667686096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60249 (or 60240 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The square root of 667686096 is about 25839.6225978632. The cubic root of 667686096 is about 874.0255147402.

The spelling of 667686096 in words is "six hundred sixty-seven million, six hundred eighty-six thousand, ninety-six".