16749516 has 24 divisors (see below), whose sum is σ = 44665600. Its totient is φ = 4785552.

The previous prime is 16749511. The next prime is 16749541. The reversal of 16749516 is 61594761.

It is not an unprimeable number, because it can be changed into a prime (16749511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99616 + ... + 99783.

Almost surely, 2^16749516 is an apocalyptic number.

It is an amenable number.

16749516 is an abundant number, since it is smaller than the sum of its proper divisors (27916084).

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

16749516 is a wasteful number, since it uses less digits than its factorization.

16749516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199413 (or 199411 counting only the distinct ones).

The product of its digits is 45360, while the sum is 39.

The square root of 16749516 is about 4092.6172554980. The cubic root of 16749516 is about 255.8590329047.

The spelling of 16749516 in words is "sixteen million, seven hundred forty-nine thousand, five hundred sixteen".