137668463648 has 48 divisors (see below), whose sum is σ = 282983440320. Its totient is φ = 65803136256.

The previous prime is 137668463587. The next prime is 137668463683. The reversal of 137668463648 is 846364866731.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1232258 + ... + 1339326.

It is an arithmetic number, because the mean of its divisors is an integer number (5895488340).

Almost surely, 2^137668463648 is an apocalyptic number.

It is an amenable number.

137668463648 is an abundant number, since it is smaller than the sum of its proper divisors (145314976672).

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

137668463648 is a wasteful number, since it uses less digits than its factorization.

137668463648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108849 (or 108841 counting only the distinct ones).

The product of its digits is 83607552, while the sum is 62.

The spelling of 137668463648 in words is "one hundred thirty-seven billion, six hundred sixty-eight million, four hundred sixty-three thousand, six hundred forty-eight".