670669508736 has 384 divisors, whose sum is σ = 2051024976000. Its totient is φ = 209980538880.

The previous prime is 670669508723. The next prime is 670669508737. The reversal of 670669508736 is 637805966076.

670669508736 is a `hidden beast` number, since 67 + 0 + 6 + 69 + 508 + 7 + 3 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is not an unprimeable number, because it can be changed into a prime (670669508737) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 902650381 + ... + 902651123.

It is an arithmetic number, because the mean of its divisors is an integer number (5341210875).

Almost surely, 2^670669508736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670669508736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1025512488000).

670669508736 is an abundant number, since it is smaller than the sum of its proper divisors (1380355467264).

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

670669508736 is a wasteful number, since it uses less digits than its factorization.

670669508736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492 (or 1477 counting only the distinct ones).

The product of its (nonzero) digits is 68584320, while the sum is 63.

The spelling of 670669508736 in words is "six hundred seventy billion, six hundred sixty-nine million, five hundred eight thousand, seven hundred thirty-six".