149658656 has 48 divisors (see below), whose sum is σ = 337728384. Its totient is φ = 63949824.

The previous prime is 149658643. The next prime is 149658679. The reversal of 149658656 is 656856941.

It is a happy number.

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, 96221 + ... + 97763.

It is an arithmetic number, because the mean of its divisors is an integer number (7036008).

Almost surely, 2^149658656 is an apocalyptic number.

149658656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149658656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168864192).

149658656 is an abundant number, since it is smaller than the sum of its proper divisors (188069728).

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

149658656 is a wasteful number, since it uses less digits than its factorization.

149658656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993 (or 1985 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 50.

The square root of 149658656 is about 12233.5054665456. The cubic root of 149658656 is about 530.9259427884.

The spelling of 149658656 in words is "one hundred forty-nine million, six hundred fifty-eight thousand, six hundred fifty-six".