16138654 has 8 divisors (see below), whose sum is σ = 27666288. Its totient is φ = 6916560.

The previous prime is 16138613. The next prime is 16138667. The reversal of 16138654 is 45683161.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 576367 + ... + 576394.

It is an arithmetic number, because the mean of its divisors is an integer number (3458286).

Almost surely, 2^16138654 is an apocalyptic number.

16138654 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16138654 is a deficient number, since it is larger than the sum of its proper divisors (11527634).

16138654 is a wasteful number, since it uses less digits than its factorization.

16138654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152770.

The product of its digits is 17280, while the sum is 34.

The square root of 16138654 is about 4017.2943631255. The cubic root of 16138654 is about 252.7100053369.

The spelling of 16138654 in words is "sixteen million, one hundred thirty-eight thousand, six hundred fifty-four".