667502081376 has 48 divisors (see below), whose sum is σ = 1886977041264. Its totient is φ = 205385255424.

The previous prime is 667502081359. The next prime is 667502081377. The reversal of 667502081376 is 673180205766.

667502081376 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667502081377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267427471 + ... + 267429966.

It is an arithmetic number, because the mean of its divisors is an integer number (39312021693).

Almost surely, 2^667502081376 is an apocalyptic number.

It is an amenable number.

667502081376 is an abundant number, since it is smaller than the sum of its proper divisors (1219474959888).

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

667502081376 is a wasteful number, since it uses less digits than its factorization.

667502081376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534857463 (or 534857455 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 51.

The spelling of 667502081376 in words is "six hundred sixty-seven billion, five hundred two million, eighty-one thousand, three hundred seventy-six".