16140699 has 12 divisors (see below), whose sum is σ = 23464896. Its totient is φ = 10690992.

The previous prime is 16140679. The next prime is 16140721. The reversal of 16140699 is 99604161.

16140699 is a `hidden beast` number, since 161 + 406 + 99 = 666.

It is not a de Polignac number, because 16140699 - 2¹⁹ = 15616411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16140659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4299 + ... + 7124.

It is an arithmetic number, because the mean of its divisors is an integer number (1955408).

Almost surely, 2^16140699 is an apocalyptic number.

16140699 is a deficient number, since it is larger than the sum of its proper divisors (7324197).

16140699 is a wasteful number, since it uses less digits than its factorization.

16140699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11586 (or 11583 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 16140699 is about 4017.5488796031. The cubic root of 16140699 is about 252.7206788858.

It can be divided in two parts, 16 and 140699, that added together give a triangular number (140715 = T₅₃₀).

The spelling of 16140699 in words is "sixteen million, one hundred forty thousand, six hundred ninety-nine".