16940554 has 16 divisors (see below), whose sum is σ = 25998336. Its totient is φ = 8276400.

The previous prime is 16940543. The next prime is 16940563. The reversal of 16940554 is 45504961.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22939 + ... + 23665.

It is an arithmetic number, because the mean of its divisors is an integer number (1624896).

Almost surely, 2^16940554 is an apocalyptic number.

16940554 is a deficient number, since it is larger than the sum of its proper divisors (9057782).

16940554 is a wasteful number, since it uses less digits than its factorization.

16940554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 16940554 is about 4115.8904261411. The cubic root of 16940554 is about 256.8280984416.

The spelling of 16940554 in words is "sixteen million, nine hundred forty thousand, five hundred fifty-four".