16692496994 has 32 divisors (see below), whose sum is σ = 25538114160. Its totient is φ = 8181752832.

The previous prime is 16692496973. The next prime is 16692496999. The reversal of 16692496994 is 49969429661.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 5256975025 + 11435521969 = 72505^2 + 106937^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16692496994.

It is not an unprimeable number, because it can be changed into a prime (16692496999) 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, 11487572 + ... + 11489024.

Almost surely, 2^16692496994 is an apocalyptic number.

16692496994 is a deficient number, since it is larger than the sum of its proper divisors (8845617166).

16692496994 is a wasteful number, since it uses less digits than its factorization.

16692496994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054.

The product of its digits is 45349632, while the sum is 65.

The spelling of 16692496994 in words is "sixteen billion, six hundred ninety-two million, four hundred ninety-six thousand, nine hundred ninety-four".