667566096 has 40 divisors (see below), whose sum is σ = 1729797024. Its totient is φ = 221844480.

The previous prime is 667566077. The next prime is 667566101. The reversal of 667566096 is 690665766.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5121 + ... + 36896.

Almost surely, 2^667566096 is an apocalyptic number.

It is an amenable number.

667566096 is an abundant number, since it is smaller than the sum of its proper divisors (1062230928).

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

667566096 is a wasteful number, since it uses less digits than its factorization.

667566096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42359 (or 42353 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 51.

The square root of 667566096 is about 25837.3004781846. The cubic root of 667566096 is about 873.9731501403.

It can be divided in two parts, 6675 and 66096, that added together give a triangular number (72771 = T₃₈₁).

The spelling of 667566096 in words is "six hundred sixty-seven million, five hundred sixty-six thousand, ninety-six".