16249650 has 48 divisors (see below), whose sum is σ = 40664064. Its totient is φ = 4294080.

The previous prime is 16249643. The next prime is 16249669. The reversal of 16249650 is 5694261.

It is a super-2 number, since 2×16249650² = 528102250245000, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18624 + ... + 19476.

It is an arithmetic number, because the mean of its divisors is an integer number (847168).

Almost surely, 2^16249650 is an apocalyptic number.

16249650 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 16249650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20332032).

16249650 is an abundant number, since it is smaller than the sum of its proper divisors (24414414).

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

16249650 is a wasteful number, since it uses less digits than its factorization.

16249650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995 (or 990 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 16249650 is about 4031.0854617584. The cubic root of 16249650 is about 253.2880324508.

The spelling of 16249650 in words is "sixteen million, two hundred forty-nine thousand, six hundred fifty".