149377939164 has 72 divisors (see below), whose sum is σ = 379247935248. Its totient is φ = 49575052800.

The previous prime is 149377939159. The next prime is 149377939171. The reversal of 149377939164 is 461939773941.

149377939164 is a `hidden beast` number, since 14 + 9 + 377 + 93 + 9 + 164 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7887034 + ... + 7905950.

It is an arithmetic number, because the mean of its divisors is an integer number (5267332434).

Almost surely, 2^149377939164 is an apocalyptic number.

It is an amenable number.

149377939164 is an abundant number, since it is smaller than the sum of its proper divisors (229869996084).

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

149377939164 is a wasteful number, since it uses less digits than its factorization.

149377939164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19875 (or 19870 counting only the distinct ones).

The product of its digits is 30862944, while the sum is 63.

The spelling of 149377939164 in words is "one hundred forty-nine billion, three hundred seventy-seven million, nine hundred thirty-nine thousand, one hundred sixty-four".