16138958 has 16 divisors (see below), whose sum is σ = 26476416. Its totient is φ = 7317240.

The previous prime is 16138949. The next prime is 16138973. The reversal of 16138958 is 85983161.

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 7 ways as a sum of consecutive naturals, for example, 11735 + ... + 13037.

It is an arithmetic number, because the mean of its divisors is an integer number (1654776).

Almost surely, 2^16138958 is an apocalyptic number.

16138958 is a deficient number, since it is larger than the sum of its proper divisors (10337458).

16138958 is a wasteful number, since it uses less digits than its factorization.

16138958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879.

The product of its digits is 51840, while the sum is 41.

The square root of 16138958 is about 4017.3321993582. The cubic root of 16138958 is about 252.7115920731.

The spelling of 16138958 in words is "sixteen million, one hundred thirty-eight thousand, nine hundred fifty-eight".