670996325064 has 192 divisors, whose sum is σ = 1973743718400. Its totient is φ = 189283910400.

The previous prime is 670996325053. The next prime is 670996325089. The reversal of 670996325064 is 460523699076.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 670996324995 and 670996325013.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2248549 + ... + 2529419.

It is an arithmetic number, because the mean of its divisors is an integer number (10279915200).

Almost surely, 2^670996325064 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 670996325064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (986871859200).

670996325064 is an abundant number, since it is smaller than the sum of its proper divisors (1302747393336).

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

670996325064 is a wasteful number, since it uses less digits than its factorization.

670996325064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280956 (or 280939 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 57.

The spelling of 670996325064 in words is "six hundred seventy billion, nine hundred ninety-six million, three hundred twenty-five thousand, sixty-four".