16138910 has 32 divisors (see below), whose sum is σ = 30412800. Its totient is φ = 6158880.

The previous prime is 16138909. The next prime is 16138921. The reversal of 16138910 is 1983161.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 24161 + ... + 24819.

It is an arithmetic number, because the mean of its divisors is an integer number (950400).

Almost surely, 2^16138910 is an apocalyptic number.

16138910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16138910 is a deficient number, since it is larger than the sum of its proper divisors (14273890).

16138910 is a wasteful number, since it uses less digits than its factorization.

16138910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 16138910 is about 4017.3262252399. The cubic root of 16138910 is about 252.7113415372.

The spelling of 16138910 in words is "sixteen million, one hundred thirty-eight thousand, nine hundred ten".