16134638 has 16 divisors (see below), whose sum is σ = 27197856. Its totient is φ = 7122720.

The previous prime is 16134617. The next prime is 16134659. The reversal of 16134638 is 83643161.

It is an interprime number because it is at equal distance from previous prime (16134617) and next prime (16134659).

It is a congruent number.

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, 12893 + ... + 14088.

It is an arithmetic number, because the mean of its divisors is an integer number (1699866).

Almost surely, 2^16134638 is an apocalyptic number.

16134638 is a deficient number, since it is larger than the sum of its proper divisors (11063218).

16134638 is a wasteful number, since it uses less digits than its factorization.

16134638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27019.

The product of its digits is 10368, while the sum is 32.

The square root of 16134638 is about 4016.7944931251. The cubic root of 16134638 is about 252.6890418461.

Adding to 16134638 its reverse (83643161), we get a palindrome (99777799).

The spelling of 16134638 in words is "sixteen million, one hundred thirty-four thousand, six hundred thirty-eight".