16275630 has 128 divisors (see below), whose sum is σ = 48771072. Its totient is φ = 3391488.

The previous prime is 16275619. The next prime is 16275643. The reversal of 16275630 is 3657261.

It is a super-2 number, since 2×16275630² = 529792263793800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon 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 63 ways as a sum of consecutive naturals, for example, 167742 + ... + 167838.

It is an arithmetic number, because the mean of its divisors is an integer number (381024).

Almost surely, 2^16275630 is an apocalyptic number.

16275630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16275630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24385536).

16275630 is an abundant number, since it is smaller than the sum of its proper divisors (32495442).

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

16275630 is a wasteful number, since it uses less digits than its factorization.

16275630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 16275630 is about 4034.3066318762. The cubic root of 16275630 is about 253.4229465209.

The spelling of 16275630 in words is "sixteen million, two hundred seventy-five thousand, six hundred thirty".