667040370007 has 8 divisors (see below), whose sum is σ = 728191791360. Its totient is φ = 605974179960.

The previous prime is 667040369987. The next prime is 667040370041. The reversal of 667040370007 is 700073040766.

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

It is a cyclic number.

It is not a de Polignac number, because 667040370007 - 2²⁷ = 666906152279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667040370047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21291457 + ... + 21322762.

It is an arithmetic number, because the mean of its divisors is an integer number (91023973920).

Almost surely, 2^667040370007 is an apocalyptic number.

667040370007 is a deficient number, since it is larger than the sum of its proper divisors (61151421353).

667040370007 is a wasteful number, since it uses less digits than its factorization.

667040370007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42615653.

The product of its (nonzero) digits is 148176, while the sum is 40.

The spelling of 667040370007 in words is "six hundred sixty-seven billion, forty million, three hundred seventy thousand, seven".