667929625164030 has 32 divisors (see below), whose sum is σ = 1603173302136864. Its totient is φ = 178098766516736.

The previous prime is 667929625164029. The next prime is 667929625164049. The reversal of 667929625164030 is 30461526929766.

It is a super-2 number, since 2×667929625164030² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 987168279 + ... + 987844658.

It is an arithmetic number, because the mean of its divisors is an integer number (50099165691777).

Almost surely, 2^{667929625164030} is an apocalyptic number.

667929625164030 is an abundant number, since it is smaller than the sum of its proper divisors (935243676972834).

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

667929625164030 is a wasteful number, since it uses less digits than its factorization.

667929625164030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975024220.

The product of its (nonzero) digits is 176359680, while the sum is 66.

The spelling of 667929625164030 in words is "six hundred sixty-seven trillion, nine hundred twenty-nine billion, six hundred twenty-five million, one hundred sixty-four thousand, thirty".