16692866829661 has 16 divisors (see below), whose sum is σ = 18233956342080. Its totient is φ = 15155716043520.

The previous prime is 16692866829649. The next prime is 16692866829697.

16692866829661 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 16692866829661 - 2¹³ = 16692866821469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16692866829161) 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, 26103406 + ... + 26735248.

It is an arithmetic number, because the mean of its divisors is an integer number (1139622271380).

Almost surely, 2^{16692866829661} is an apocalyptic number.

16692866829661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16692866829661 is a deficient number, since it is larger than the sum of its proper divisors (1541089512419).

16692866829661 is a wasteful number, since it uses less digits than its factorization.

16692866829661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634956.

The product of its digits is 967458816, while the sum is 76.

The spelling of 16692866829661 in words is "sixteen trillion, six hundred ninety-two billion, eight hundred sixty-six million, eight hundred twenty-nine thousand, six hundred sixty-one".