667315008 has 168 divisors, whose sum is σ = 2114019648. Its totient is φ = 200183808.

The previous prime is 667314983. The next prime is 667315037. The reversal of 667315008 is 800513766.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 223735 + ... + 226697.

Almost surely, 2^667315008 is an apocalyptic number.

667315008 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 667315008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1057009824).

667315008 is an abundant number, since it is smaller than the sum of its proper divisors (1446704640).

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

667315008 is a wasteful number, since it uses less digits than its factorization.

667315008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3021 (or 3008 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 667315008 is about 25832.4409996423. The cubic root of 667315008 is about 873.8635621459.

The spelling of 667315008 in words is "six hundred sixty-seven million, three hundred fifteen thousand, eight".