16140994 has 32 divisors (see below), whose sum is σ = 26812800. Its totient is φ = 7257600.

The previous prime is 16140983. The next prime is 16140997. The reversal of 16140994 is 49904161.

16140994 = 17² + 18² + ... + 364².

16140994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (16140997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106819 + ... + 106969.

It is an arithmetic number, because the mean of its divisors is an integer number (837900).

Almost surely, 2^16140994 is an apocalyptic number.

16140994 is a deficient number, since it is larger than the sum of its proper divisors (10671806).

16140994 is a wasteful number, since it uses less digits than its factorization.

16140994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 16140994 is about 4017.5855933633. The cubic root of 16140994 is about 252.7222185164.

The spelling of 16140994 in words is "sixteen million, one hundred forty thousand, nine hundred ninety-four".