667370403340 has 12 divisors (see below), whose sum is σ = 1401477847056. Its totient is φ = 266948161328.

The previous prime is 667370403319. The next prime is 667370403361. The reversal of 667370403340 is 43304073766.

It is an interprime number because it is at equal distance from previous prime (667370403319) and next prime (667370403361).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16684260064 + ... + 16684260103.

It is an arithmetic number, because the mean of its divisors is an integer number (116789820588).

Almost surely, 2^667370403340 is an apocalyptic number.

It is an amenable number.

667370403340 is an abundant number, since it is smaller than the sum of its proper divisors (734107443716).

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

667370403340 is a wasteful number, since it uses less digits than its factorization.

667370403340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33368520176 (or 33368520174 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 43.

The spelling of 667370403340 in words is "six hundred sixty-seven billion, three hundred seventy million, four hundred three thousand, three hundred forty".