162444997 has 12 divisors (see below), whose sum is σ = 191895264. Its totient is φ = 136315920.

The previous prime is 162444977. The next prime is 162445001. The reversal of 162444997 is 799444261.

It is a de Polignac number, because none of the positive numbers 2^k-162444997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162444907) 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, 41833 + ... + 45550.

It is an arithmetic number, because the mean of its divisors is an integer number (15991272).

Almost surely, 2^162444997 is an apocalyptic number.

It is an amenable number.

162444997 is a deficient number, since it is larger than the sum of its proper divisors (29450267).

162444997 is a wasteful number, since it uses less digits than its factorization.

162444997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87420 (or 87407 counting only the distinct ones).

The product of its digits is 435456, while the sum is 46.

The square root of 162444997 is about 12745.3912062361. The cubic root of 162444997 is about 545.6348654721.

The spelling of 162444997 in words is "one hundred sixty-two million, four hundred forty-four thousand, nine hundred ninety-seven".