16161488 has 20 divisors (see below), whose sum is σ = 35786400. Its totient is φ = 6926304.

The previous prime is 16161463. The next prime is 16161493. The reversal of 16161488 is 88416161.

It is a happy number.

It is a super-2 number, since 2×16161488² = 522387388748288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72038 + ... + 72261.

It is an arithmetic number, because the mean of its divisors is an integer number (1789320).

Almost surely, 2^16161488 is an apocalyptic number.

It is an amenable number.

16161488 is an abundant number, since it is smaller than the sum of its proper divisors (19624912).

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

16161488 is a wasteful number, since it uses less digits than its factorization.

16161488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144314 (or 144308 counting only the distinct ones).

The product of its digits is 9216, while the sum is 35.

The square root of 16161488 is about 4020.1353211055. The cubic root of 16161488 is about 252.8291325984.

The spelling of 16161488 in words is "sixteen million, one hundred sixty-one thousand, four hundred eighty-eight".