997441160 has 64 divisors (see below), whose sum is σ = 2276968320. Its totient is φ = 393200640.

The previous prime is 997441117. The next prime is 997441171. The reversal of 997441160 is 61144799.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1030997 + ... + 1031963.

It is an arithmetic number, because the mean of its divisors is an integer number (35577630).

Almost surely, 2^997441160 is an apocalyptic number.

997441160 is the 25787-th pentagonal number.

It is an amenable number.

997441160 is an abundant number, since it is smaller than the sum of its proper divisors (1279527160).

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

997441160 is a wasteful number, since it uses less digits than its factorization.

997441160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326 (or 1322 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 997441160 is about 31582.2918737700. The cubic root of 997441160 is about 999.1463247793.

The spelling of 997441160 in words is "nine hundred ninety-seven million, four hundred forty-one thousand, one hundred sixty".