159168437970 has 64 divisors (see below), whose sum is σ = 390308806656. Its totient is φ = 41523007680.

The previous prime is 159168437959. The next prime is 159168438019. The reversal of 159168437970 is 79734861951.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3234087 + ... + 3282933.

It is an arithmetic number, because the mean of its divisors is an integer number (6098575104).

Almost surely, 2^159168437970 is an apocalyptic number.

159168437970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 159168437970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195154403328).

159168437970 is an abundant number, since it is smaller than the sum of its proper divisors (231140368686).

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

159168437970 is a wasteful number, since it uses less digits than its factorization.

159168437970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51215.

The product of its (nonzero) digits is 11430720, while the sum is 60.

The spelling of 159168437970 in words is "one hundred fifty-nine billion, one hundred sixty-eight million, four hundred thirty-seven thousand, nine hundred seventy".