162790468 has 6 divisors (see below), whose sum is σ = 284883326. Its totient is φ = 81395232.

The previous prime is 162790457. The next prime is 162790471. The reversal of 162790468 is 864097261.

It can be written as a sum of positive squares in only one way, i.e., 148060224 + 14730244 = 12168^2 + 3838^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20348805 + ... + 20348812.

Almost surely, 2^162790468 is an apocalyptic number.

It is an amenable number.

162790468 is a deficient number, since it is larger than the sum of its proper divisors (122092858).

162790468 is a wasteful number, since it uses less digits than its factorization.

162790468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40697621 (or 40697619 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 162790468 is about 12758.9367895605. The cubic root of 162790468 is about 546.0213912822.

The spelling of 162790468 in words is "one hundred sixty-two million, seven hundred ninety thousand, four hundred sixty-eight".