159999974400 has 1584 divisors, whose sum is σ = 678153282912. Its totient is φ = 33030144000.

The previous prime is 159999974353. The next prime is 159999974411. The reversal of 159999974400 is 4479999951.

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, 2622950370 + ... + 2622950430.

Almost surely, 2^159999974400 is an apocalyptic number.

159999974400 is a gapful number since it is divisible by the number (10) 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 159999974400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339076641456).

159999974400 is an abundant number, since it is smaller than the sum of its proper divisors (518153308512).

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

159999974400 is a wasteful number, since it uses less digits than its factorization.

159999974400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 33067440, while the sum is 66.

The spelling of 159999974400 in words is "one hundred fifty-nine billion, nine hundred ninety-nine million, nine hundred seventy-four thousand, four hundred".