16977145269 has 12 divisors (see below), whose sum is σ = 25870845536. Its totient is φ = 9700884672.

The previous prime is 16977145253. The next prime is 16977145271. The reversal of 16977145269 is 96254177961.

It is a happy number.

It is not a de Polignac number, because 16977145269 - 2⁴ = 16977145253 is a prime.

It is a super-2 number, since 2×16977145269² (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 (16977145369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 582877 + ... + 611309.

Almost surely, 2^16977145269 is an apocalyptic number.

It is an amenable number.

16977145269 is a deficient number, since it is larger than the sum of its proper divisors (8893700267).

16977145269 is an frugal number, since it uses more digits than its factorization.

16977145269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56876 (or 28443 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 57.

The spelling of 16977145269 in words is "sixteen billion, nine hundred seventy-seven million, one hundred forty-five thousand, two hundred sixty-nine".