667670588050 has 24 divisors (see below), whose sum is σ = 1241899726500. Its totient is φ = 267061260480.

The previous prime is 667670588021. The next prime is 667670588059. The reversal of 667670588050 is 50885076766.

It can be written as a sum of positive squares in 6 ways, for example, as 232238211921 + 435432376129 = 481911^2 + 659873^2 .

It is not an unprimeable number, because it can be changed into a prime (667670588059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2036976 + ... + 2341924.

Almost surely, 2^667670588050 is an apocalyptic number.

667670588050 is a deficient number, since it is larger than the sum of its proper divisors (574229138450).

667670588050 is a wasteful number, since it uses less digits than its factorization.

667670588050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348750 (or 348745 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 58.

The spelling of 667670588050 in words is "six hundred sixty-seven billion, six hundred seventy million, five hundred eighty-eight thousand, fifty".