16770144013 has 6 divisors (see below), whose sum is σ = 19508126766. Its totient is φ = 14374409112.

The previous prime is 16770143993. The next prime is 16770144029. The reversal of 16770144013 is 31044107761.

It can be written as a sum of positive squares in only one way, i.e., 14237739684 + 2532404329 = 119322^2 + 50323^2 .

It is not a de Polignac number, because 16770144013 - 2²¹ = 16768046861 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16770144013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16770147013) 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, 171123870 + ... + 171123967.

It is an arithmetic number, because the mean of its divisors is an integer number (3251354461).

Almost surely, 2^16770144013 is an apocalyptic number.

It is an amenable number.

16770144013 is a deficient number, since it is larger than the sum of its proper divisors (2737982753).

16770144013 is an equidigital number, since it uses as much as digits as its factorization.

16770144013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342247851 (or 342247844 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The spelling of 16770144013 in words is "sixteen billion, seven hundred seventy million, one hundred forty-four thousand, thirteen".