16379846669 has 4 divisors (see below), whose sum is σ = 16563889980. Its totient is φ = 16195803360.

The previous prime is 16379846633. The next prime is 16379846689. The reversal of 16379846669 is 96664897361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5382129769 + 10997716900 = 73363^2 + 104870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16379846669 is a prime.

It is a super-2 number, since 2×16379846669² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16379846689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92021522 + ... + 92021699.

It is an arithmetic number, because the mean of its divisors is an integer number (4140972495).

Almost surely, 2^16379846669 is an apocalyptic number.

It is an amenable number.

16379846669 is a deficient number, since it is larger than the sum of its proper divisors (184043311).

16379846669 is an equidigital number, since it uses as much as digits as its factorization.

16379846669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184043310.

The product of its digits is 70543872, while the sum is 65.

The spelling of 16379846669 in words is "sixteen billion, three hundred seventy-nine million, eight hundred forty-six thousand, six hundred sixty-nine".