159261087090 has 64 divisors (see below), whose sum is σ = 437774155776. Its totient is φ = 36323888832.

The previous prime is 159261087079. The next prime is 159261087091. The reversal of 159261087090 is 90780162951.

It is a super-2 number, since 2×159261087090² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (159261087091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 721762 + ... + 916221.

It is an arithmetic number, because the mean of its divisors is an integer number (6840221184).

Almost surely, 2^159261087090 is an apocalyptic number.

159261087090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

159261087090 is an abundant number, since it is smaller than the sum of its proper divisors (278513068686).

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

159261087090 is a wasteful number, since it uses less digits than its factorization.

159261087090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638463.

The product of its (nonzero) digits is 272160, while the sum is 48.

The spelling of 159261087090 in words is "one hundred fifty-nine billion, two hundred sixty-one million, eighty-seven thousand, ninety".