667073707008 has 176 divisors, whose sum is σ = 1883864646144. Its totient is φ = 209135534080.

The previous prime is 667073707007. The next prime is 667073707031. The reversal of 667073707008 is 800707370766.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667073707007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97707691 + ... + 97714517.

Almost surely, 2^667073707008 is an apocalyptic number.

667073707008 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 667073707008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (941932323072).

667073707008 is an abundant number, since it is smaller than the sum of its proper divisors (1216790939136).

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

667073707008 is a wasteful number, since it uses less digits than its factorization.

667073707008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8738 (or 8720 counting only the distinct ones).

The product of its (nonzero) digits is 2074464, while the sum is 51.

The spelling of 667073707008 in words is "six hundred sixty-seven billion, seventy-three million, seven hundred seven thousand, eight".