16275000 has 192 divisors, whose sum is σ = 59996160. Its totient is φ = 3600000.

The previous prime is 16274989. The next prime is 16275011. The reversal of 16275000 is 57261.

16275000 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16274989) and next prime (16275011).

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 524985 + ... + 525015.

It is an arithmetic number, because the mean of its divisors is an integer number (312480).

Almost surely, 2^16275000 is an apocalyptic number.

16275000 is a gapful number since it is divisible by the number (10) 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 16275000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29998080).

16275000 is an abundant number, since it is smaller than the sum of its proper divisors (43721160).

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

16275000 is an equidigital number, since it uses as much as digits as its factorization.

16275000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 16275000 is about 4034.2285507889. The cubic root of 16275000 is about 253.4196766318.

The spelling of 16275000 in words is "sixteen million, two hundred seventy-five thousand".