154901660256 has 864 divisors, whose sum is σ = 569968439040. Its totient is φ = 40507858944.

The previous prime is 154901660237. The next prime is 154901660279. The reversal of 154901660256 is 652066109451.

154901660256 is a `hidden beast` number, since 154 + 90 + 166 + 0 + 256 = 666.

It is a tau number, because it is divible by the number of its divisors (864).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 676426350 + ... + 676426578.

Almost surely, 2^154901660256 is an apocalyptic number.

154901660256 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 154901660256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284984219520).

154901660256 is an abundant number, since it is smaller than the sum of its proper divisors (415066778784).

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

154901660256 is a wasteful number, since it uses less digits than its factorization.

154901660256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 154901660256 in words is "one hundred fifty-four billion, nine hundred one million, six hundred sixty thousand, two hundred fifty-six".