667625065116 has 24 divisors (see below), whose sum is σ = 1559051183760. Its totient is φ = 222361779072.

The previous prime is 667625065109. The next prime is 667625065171. The reversal of 667625065116 is 611560526766.

It is a super-2 number, since 2×667625065116² (a number of 24 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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22473201 + ... + 22502888.

It is an arithmetic number, because the mean of its divisors is an integer number (64960465990).

Almost surely, 2^667625065116 is an apocalyptic number.

It is an amenable number.

667625065116 is an abundant number, since it is smaller than the sum of its proper divisors (891426118644).

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

667625065116 is a wasteful number, since it uses less digits than its factorization.

667625065116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44977333 (or 44977331 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 51.

The spelling of 667625065116 in words is "six hundred sixty-seven billion, six hundred twenty-five million, sixty-five thousand, one hundred sixteen".