160897531806 has 24 divisors (see below), whose sum is σ = 380303257464. Its totient is φ = 48756827760.

The previous prime is 160897531801. The next prime is 160897531807. The reversal of 160897531806 is 608135798061.

160897531806 is a `hidden beast` number, since 16 + 0 + 8 + 97 + 531 + 8 + 0 + 6 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160897531801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 406306701 + ... + 406307096.

It is an arithmetic number, because the mean of its divisors is an integer number (15845969061).

Almost surely, 2^160897531806 is an apocalyptic number.

160897531806 is an abundant number, since it is smaller than the sum of its proper divisors (219405725658).

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

160897531806 is a wasteful number, since it uses less digits than its factorization.

160897531806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812613816 (or 812613813 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 160897531806 in words is "one hundred sixty billion, eight hundred ninety-seven million, five hundred thirty-one thousand, eight hundred six".