16479713957 has 6 divisors (see below), whose sum is σ = 19170279558. Its totient is φ = 14125469064.

The previous prime is 16479713953. The next prime is 16479713959. The reversal of 16479713957 is 75931797461.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8323095361 + 8156618596 = 91231^2 + 90314^2 .

It is not a de Polignac number, because 16479713957 - 2² = 16479713953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16479713896 and 16479713905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16479713953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 168160298 + ... + 168160395.

It is an arithmetic number, because the mean of its divisors is an integer number (3195046593).

Almost surely, 2^16479713957 is an apocalyptic number.

It is an amenable number.

16479713957 is a deficient number, since it is larger than the sum of its proper divisors (2690565601).

16479713957 is an equidigital number, since it uses as much as digits as its factorization.

16479713957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336320707 (or 336320700 counting only the distinct ones).

The product of its digits is 10001880, while the sum is 59.

The spelling of 16479713957 in words is "sixteen billion, four hundred seventy-nine million, seven hundred thirteen thousand, nine hundred fifty-seven".