16064485779 has 4 divisors (see below), whose sum is σ = 21419314376. Its totient is φ = 10709657184.

The previous prime is 16064485667. The next prime is 16064485781. The reversal of 16064485779 is 97758446061.

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

It is not a de Polignac number, because 16064485779 - 2⁸ = 16064485523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16064485379) 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, 2677414294 + ... + 2677414299.

It is an arithmetic number, because the mean of its divisors is an integer number (5354828594).

Almost surely, 2^16064485779 is an apocalyptic number.

16064485779 is a deficient number, since it is larger than the sum of its proper divisors (5354828597).

16064485779 is an equidigital number, since it uses as much as digits as its factorization.

16064485779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5354828596.

The product of its (nonzero) digits is 10160640, while the sum is 57.

The spelling of 16064485779 in words is "sixteen billion, sixty-four million, four hundred eighty-five thousand, seven hundred seventy-nine".