16692496993 has 8 divisors (see below), whose sum is σ = 17170594056. Its totient is φ = 16217779200.

The previous prime is 16692496973. The next prime is 16692496999. The reversal of 16692496993 is 39969429661.

It can be written as a sum of positive squares in 4 ways, for example, as 3487729249 + 13204767744 = 59057^2 + 114912^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16692496993 - 2⁹ = 16692496481 is a prime.

It is a super-2 number, since 2×16692496993² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 834796 + ... + 854557.

It is an arithmetic number, because the mean of its divisors is an integer number (2146324257).

Almost surely, 2^16692496993 is an apocalyptic number.

It is an amenable number.

16692496993 is a deficient number, since it is larger than the sum of its proper divisors (478097063).

16692496993 is a wasteful number, since it uses less digits than its factorization.

16692496993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689635.

The product of its digits is 34012224, while the sum is 64.

The spelling of 16692496993 in words is "sixteen billion, six hundred ninety-two million, four hundred ninety-six thousand, nine hundred ninety-three".