154405610656 has 96 divisors (see below), whose sum is σ = 333811316160. Its totient is φ = 69722265600.

The previous prime is 154405610633. The next prime is 154405610707. The reversal of 154405610656 is 656016504451.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41628130 + ... + 41631838.

It is an arithmetic number, because the mean of its divisors is an integer number (3477201210).

Almost surely, 2^154405610656 is an apocalyptic number.

154405610656 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 154405610656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166905658080).

154405610656 is an abundant number, since it is smaller than the sum of its proper divisors (179405705504).

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

154405610656 is a wasteful number, since it uses less digits than its factorization.

154405610656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4478 (or 4470 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 154405610656 in words is "one hundred fifty-four billion, four hundred five million, six hundred ten thousand, six hundred fifty-six".