16746916 has 12 divisors (see below), whose sum is σ = 29343132. Its totient is φ = 8363168.

The previous prime is 16746907. The next prime is 16746931. The reversal of 16746916 is 61964761.

It can be written as a sum of positive squares in 2 ways, for example, as 4426816 + 12320100 = 2104^2 + 3510^2 .

It is a super-2 number, since 2×16746916² = 560918391022112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1986 + ... + 6118.

It is an arithmetic number, because the mean of its divisors is an integer number (2445261).

Almost surely, 2^16746916 is an apocalyptic number.

It is an amenable number.

16746916 is a deficient number, since it is larger than the sum of its proper divisors (12596216).

16746916 is a wasteful number, since it uses less digits than its factorization.

16746916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5150 (or 5148 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The square root of 16746916 is about 4092.2995980255. The cubic root of 16746916 is about 255.8457933597.

The spelling of 16746916 in words is "sixteen million, seven hundred forty-six thousand, nine hundred sixteen".