159897711 has 32 divisors (see below), whose sum is σ = 230112000. Its totient is φ = 98461440.

The previous prime is 159897709. The next prime is 159897737. The reversal of 159897711 is 117798951.

It is not a de Polignac number, because 159897711 - 2¹ = 159897709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159897791) 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, 568891 + ... + 569171.

It is an arithmetic number, because the mean of its divisors is an integer number (7191000).

Almost surely, 2^159897711 is an apocalyptic number.

159897711 is a deficient number, since it is larger than the sum of its proper divisors (70214289).

159897711 is a wasteful number, since it uses less digits than its factorization.

159897711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519.

The product of its digits is 158760, while the sum is 48.

The square root of 159897711 is about 12645.0666664909. The cubic root of 159897711 is about 542.7678090467.

The spelling of 159897711 in words is "one hundred fifty-nine million, eight hundred ninety-seven thousand, seven hundred eleven".