159722671400 has 96 divisors (see below), whose sum is σ = 376797070200. Its totient is φ = 62954496000.

The previous prime is 159722671387. The next prime is 159722671439. The reversal of 159722671400 is 4176227951.

It can be written as a sum of positive squares in 12 ways, for example, as 14773430116 + 144949241284 = 121546^2 + 380722^2 .

It is a super-2 number, since 2×159722671400² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17530046 + ... + 17539154.

Almost surely, 2^159722671400 is an apocalyptic number.

159722671400 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 159722671400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188398535100).

159722671400 is an abundant number, since it is smaller than the sum of its proper divisors (217074398800).

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

159722671400 is a wasteful number, since it uses less digits than its factorization.

159722671400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10399 (or 10390 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 159722671400 in words is "one hundred fifty-nine billion, seven hundred twenty-two million, six hundred seventy-one thousand, four hundred".