16001250 has 80 divisors (see below), whose sum is σ = 42511392. Its totient is φ = 4000000.

The previous prime is 16001231. The next prime is 16001269. The reversal of 16001250 is 5210061.

It is an interprime number because it is at equal distance from previous prime (16001231) and next prime (16001269).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 63625 + ... + 63875.

Almost surely, 2^16001250 is an apocalyptic number.

16001250 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 16001250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21255696).

16001250 is an abundant number, since it is smaller than the sum of its proper divisors (26510142).

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

16001250 is a wasteful number, since it uses less digits than its factorization.

16001250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 16001250 is about 4000.1562469484. The cubic root of 16001250 is about 251.9907718969.

It can be divided in two parts, 1600 and 1250, that added together give a triangular number (2850 = T₇₅).

The spelling of 16001250 in words is "sixteen million, one thousand, two hundred fifty".