667377345573460 has 24 divisors (see below), whose sum is σ = 1409884595925120. Its totient is φ = 265352429615904.

The previous prime is 667377345573451. The next prime is 667377345573461. The reversal of 667377345573460 is 64375543773766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667377345573461) 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, 99906784920 + ... + 99906791599.

It is an arithmetic number, because the mean of its divisors is an integer number (58745191496880).

Almost surely, 2^{667377345573460} is an apocalyptic number.

It is an amenable number.

667377345573460 is an abundant number, since it is smaller than the sum of its proper divisors (742507250351660).

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

667377345573460 is a wasteful number, since it uses less digits than its factorization.

667377345573460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199813576695 (or 199813576693 counting only the distinct ones).

The product of its (nonzero) digits is 5601052800, while the sum is 73.

The spelling of 667377345573460 in words is "six hundred sixty-seven trillion, three hundred seventy-seven billion, three hundred forty-five million, five hundred seventy-three thousand, four hundred sixty".