670990178202 has 16 divisors (see below), whose sum is σ = 1342616090112. Its totient is φ = 223557437120.

The previous prime is 670990178189. The next prime is 670990178233. The reversal of 670990178202 is 202871099076.

It is a super-3 number, since 3×670990178202³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26475183 + ... + 26500514.

It is an arithmetic number, because the mean of its divisors is an integer number (83913505632).

Almost surely, 2^670990178202 is an apocalyptic number.

670990178202 is an abundant number, since it is smaller than the sum of its proper divisors (671625911910).

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

670990178202 is a wasteful number, since it uses less digits than its factorization.

670990178202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52977813.

The product of its (nonzero) digits is 762048, while the sum is 51.

The spelling of 670990178202 in words is "six hundred seventy billion, nine hundred ninety million, one hundred seventy-eight thousand, two hundred two".