149078185164 has 18 divisors (see below), whose sum is σ = 376836523700. Its totient is φ = 49692728376.

The previous prime is 149078185127. The next prime is 149078185189. The reversal of 149078185164 is 461581870941.

149078185164 is a `hidden beast` number, since 1 + 49 + 0 + 7 + 81 + 8 + 516 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 149078185164.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2070530314 + ... + 2070530385.

Almost surely, 2^149078185164 is an apocalyptic number.

It is an amenable number.

149078185164 is an abundant number, since it is smaller than the sum of its proper divisors (227758338536).

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

149078185164 is a wasteful number, since it uses less digits than its factorization.

149078185164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4141060709 (or 4141060704 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 54.

The spelling of 149078185164 in words is "one hundred forty-nine billion, seventy-eight million, one hundred eighty-five thousand, one hundred sixty-four".