667752710756 has 6 divisors (see below), whose sum is σ = 1168567243830. Its totient is φ = 333876355376.

The previous prime is 667752710749. The next prime is 667752710767. The reversal of 667752710756 is 657017257766.

It can be written as a sum of positive squares in only one way, i.e., 665829888256 + 1922822500 = 815984^2 + 43850^2 .

It is a junction number, because it is equal to n+sod(n) for n = 667752710695 and 667752710704.

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 as a sum of consecutive naturals, namely, 83469088841 + ... + 83469088848.

It is an arithmetic number, because the mean of its divisors is an integer number (194761207305).

Almost surely, 2^667752710756 is an apocalyptic number.

It is an amenable number.

667752710756 is a deficient number, since it is larger than the sum of its proper divisors (500814533074).

667752710756 is a wasteful number, since it uses less digits than its factorization.

667752710756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166938177693 (or 166938177691 counting only the distinct ones).

The product of its (nonzero) digits is 25930800, while the sum is 59.

The spelling of 667752710756 in words is "six hundred sixty-seven billion, seven hundred fifty-two million, seven hundred ten thousand, seven hundred fifty-six".