667701601008 has 40 divisors (see below), whose sum is σ = 1857580096848. Its totient is φ = 205446646272.

The previous prime is 667701600919. The next prime is 667701601027. The reversal of 667701601008 is 800106107766.

It is a congruent number.

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, 535016685 + ... + 535017932.

Almost surely, 2^667701601008 is an apocalyptic number.

It is an amenable number.

667701601008 is an abundant number, since it is smaller than the sum of its proper divisors (1189878495840).

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

667701601008 is a wasteful number, since it uses less digits than its factorization.

667701601008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070034641 (or 1070034635 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 42.

The spelling of 667701601008 in words is "six hundred sixty-seven billion, seven hundred one million, six hundred one thousand, eight".