670698600192 has 648 divisors, whose sum is σ = 2129206388400. Its totient is φ = 210519834624.

The previous prime is 670698600167. The next prime is 670698600193. The reversal of 670698600192 is 291006896076.

It is a tau number, because it is divible by the number of its divisors (648).

It is a super-2 number, since 2×670698600192² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670698600193) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2928814734 + ... + 2928814962.

Almost surely, 2^670698600192 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 670698600192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1064603194200).

670698600192 is an abundant number, since it is smaller than the sum of its proper divisors (1458507788208).

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

670698600192 is an equidigital number, since it uses as much as digits as its factorization.

670698600192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 346 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 670698600192 in words is "six hundred seventy billion, six hundred ninety-eight million, six hundred thousand, one hundred ninety-two".