16138752 has 160 divisors (see below), whose sum is σ = 52377600. Its totient is φ = 4313088.

The previous prime is 16138751. The next prime is 16138753. The reversal of 16138752 is 25783161.

It is an interprime number because it is at equal distance from previous prime (16138751) and next prime (16138753).

It is a super-2 number, since 2×16138752² = 520918632235008, which contains 22 as substring.

Its product of digits (10080) is a multiple of the sum of its prime factors (126).

It is a nialpdrome in base 8 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16138751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204249 + ... + 204327.

It is an arithmetic number, because the mean of its divisors is an integer number (327360).

Almost surely, 2^16138752 is an apocalyptic number.

16138752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16138752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26188800).

16138752 is an abundant number, since it is smaller than the sum of its proper divisors (36238848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16138752 is an equidigital number, since it uses as much as digits as its factorization.

16138752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 110 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 16138752 is about 4017.3065603710. The cubic root of 16138752 is about 252.7105168528.

The spelling of 16138752 in words is "sixteen million, one hundred thirty-eight thousand, seven hundred fifty-two".