667220127104 has 32 divisors (see below), whose sum is σ = 1332575878800. Its totient is φ = 332769710592.

The previous prime is 667220127097. The next prime is 667220127113. The reversal of 667220127104 is 401721022766.

It is a tau number, because it is divible by the number of its divisors (32).

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 3 ways as a sum of consecutive naturals, for example, 6514244 + ... + 6615875.

Almost surely, 2^667220127104 is an apocalyptic number.

667220127104 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

667220127104 is a deficient number, since it is larger than the sum of its proper divisors (665355751696).

667220127104 is a wasteful number, since it uses less digits than its factorization.

667220127104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13130530 (or 13130518 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The spelling of 667220127104 in words is "six hundred sixty-seven billion, two hundred twenty million, one hundred twenty-seven thousand, one hundred four".