160618997 has 16 divisors (see below), whose sum is σ = 201148800. Its totient is φ = 124597440.

The previous prime is 160618993. The next prime is 160619083. The reversal of 160618997 is 799816061.

It is not a de Polignac number, because 160618997 - 2² = 160618993 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160618993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13079 + ... + 22187.

It is an arithmetic number, because the mean of its divisors is an integer number (12571800).

Almost surely, 2^160618997 is an apocalyptic number.

It is an amenable number.

160618997 is a deficient number, since it is larger than the sum of its proper divisors (40529803).

160618997 is a wasteful number, since it uses less digits than its factorization.

160618997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9356.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 160618997 is about 12673.5550261164. Note that the first 3 decimals coincide. The cubic root of 160618997 is about 543.5827125848.

The spelling of 160618997 in words is "one hundred sixty million, six hundred eighteen thousand, nine hundred ninety-seven".