154656728064 has 528 divisors, whose sum is σ = 498280543488. Its totient is φ = 45952794624.

The previous prime is 154656728011. The next prime is 154656728077. The reversal of 154656728064 is 460827656451.

154656728064 is a `hidden beast` number, since 1 + 54 + 6 + 567 + 28 + 0 + 6 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 154656728064.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 601777024 + ... + 601777280.

Almost surely, 2^154656728064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154656728064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249140271744).

154656728064 is an abundant number, since it is smaller than the sum of its proper divisors (343623815424).

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

154656728064 is a wasteful number, since it uses less digits than its factorization.

154656728064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 469 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 54.

The spelling of 154656728064 in words is "one hundred fifty-four billion, six hundred fifty-six million, seven hundred twenty-eight thousand, sixty-four".