670538784188 has 48 divisors (see below), whose sum is σ = 1464578809344. Its totient is φ = 261531910080.

The previous prime is 670538784173. The next prime is 670538784193. The reversal of 670538784188 is 881487835076.

It is a super-2 number, since 2×670538784188² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12946970 + ... + 12998657.

It is an arithmetic number, because the mean of its divisors is an integer number (30512058528).

Almost surely, 2^670538784188 is an apocalyptic number.

It is an amenable number.

670538784188 is an abundant number, since it is smaller than the sum of its proper divisors (794040025156).

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

670538784188 is a wasteful number, since it uses less digits than its factorization.

670538784188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25945722 (or 25945720 counting only the distinct ones).

The product of its (nonzero) digits is 72253440, while the sum is 65.

The spelling of 670538784188 in words is "six hundred seventy billion, five hundred thirty-eight million, seven hundred eighty-four thousand, one hundred eighty-eight".