16977853969 has 8 divisors (see below), whose sum is σ = 17098555392. Its totient is φ = 16857261600.

The previous prime is 16977853967. The next prime is 16977853973. The reversal of 16977853969 is 96935877961.

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 16977853969 - 2¹ = 16977853967 is a prime.

It is a super-2 number, since 2×16977853969² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16977853898 and 16977853907.

It is not an unprimeable number, because it can be changed into a prime (16977853961) 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, 298992 + ... + 351214.

It is an arithmetic number, because the mean of its divisors is an integer number (2137319424).

Almost surely, 2^16977853969 is an apocalyptic number.

It is an amenable number.

16977853969 is a deficient number, since it is larger than the sum of its proper divisors (120701423).

16977853969 is a wasteful number, since it uses less digits than its factorization.

16977853969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54527.

The product of its digits is 154314720, while the sum is 70.

The spelling of 16977853969 in words is "sixteen billion, nine hundred seventy-seven million, eight hundred fifty-three thousand, nine hundred sixty-nine".