16161834888 has 24 divisors (see below), whose sum is σ = 43771636350. Its totient is φ = 5387278272.

The previous prime is 16161834877. The next prime is 16161834889. The reversal of 16161834888 is 88843816161.

It is a happy number.

16161834888 is a `hidden beast` number, since 1 + 616 + 18 + 3 + 4 + 8 + 8 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11816124804 + 4345710084 = 108702^2 + 65922^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×16161834888² (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (16161834889) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112234893 + ... + 112235036.

Almost surely, 2^16161834888 is an apocalyptic number.

16161834888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16161834888 is an abundant number, since it is smaller than the sum of its proper divisors (27609801462).

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

16161834888 is a wasteful number, since it uses less digits than its factorization.

16161834888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224469941 (or 224469934 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 54.

The spelling of 16161834888 in words is "sixteen billion, one hundred sixty-one million, eight hundred thirty-four thousand, eight hundred eighty-eight".