16677479819 has 48 divisors (see below), whose sum is σ = 23578218720. Its totient is φ = 11582000640.

The previous prime is 16677479813. The next prime is 16677479831. The reversal of 16677479819 is 91897477661.

It is not a de Polignac number, because 16677479819 - 2¹⁶ = 16677414283 is a prime.

It is a super-2 number, since 2×16677479819² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16677479813) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 162167 + ... + 244239.

It is an arithmetic number, because the mean of its divisors is an integer number (491212890).

Almost surely, 2^16677479819 is an apocalyptic number.

16677479819 is a deficient number, since it is larger than the sum of its proper divisors (6900738901).

16677479819 is a wasteful number, since it uses less digits than its factorization.

16677479819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82140 (or 82133 counting only the distinct ones).

The product of its digits is 32006016, while the sum is 65.

The spelling of 16677479819 in words is "sixteen billion, six hundred seventy-seven million, four hundred seventy-nine thousand, eight hundred nineteen".