16169842 has 16 divisors (see below), whose sum is σ = 26190360. Its totient is φ = 7443072.

The previous prime is 16169831. The next prime is 16169863. The reversal of 16169842 is 24896161.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13242321 + 2927521 = 3639^2 + 1711^2 .

It is a super-2 number, since 2×16169842² = 522927580609928, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14248 + ... + 15340.

Almost surely, 2^16169842 is an apocalyptic number.

16169842 is a deficient number, since it is larger than the sum of its proper divisors (10020518).

16169842 is a wasteful number, since it uses less digits than its factorization.

16169842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677.

The product of its digits is 20736, while the sum is 37.

The square root of 16169842 is about 4021.1742066217. The cubic root of 16169842 is about 252.8726882156.

The spelling of 16169842 in words is "sixteen million, one hundred sixty-nine thousand, eight hundred forty-two".