149231966526 has 24 divisors (see below), whose sum is σ = 324167140440. Its totient is φ = 49616109936.

The previous prime is 149231966497. The next prime is 149231966567. The reversal of 149231966526 is 625669132941.

149231966526 is a `hidden beast` number, since 1 + 4 + 9 + 23 + 1 + 96 + 6 + 526 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10649380 + ... + 10663383.

It is an arithmetic number, because the mean of its divisors is an integer number (13506964185).

Almost surely, 2^149231966526 is an apocalyptic number.

149231966526 is an abundant number, since it is smaller than the sum of its proper divisors (174935173914).

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

149231966526 is a wasteful number, since it uses less digits than its factorization.

149231966526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21313160 (or 21313157 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

The spelling of 149231966526 in words is "one hundred forty-nine billion, two hundred thirty-one million, nine hundred sixty-six thousand, five hundred twenty-six".