13162220709 has 32 divisors (see below), whose sum is σ = 20480294016. Its totient is φ = 7430430720.

The previous prime is 13162220671. The next prime is 13162220719. The reversal of 13162220709 is 90702226131.

It is not a de Polignac number, because 13162220709 - 2⁸ = 13162220453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 13162220709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13162220719) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66522 + ... + 175355.

It is an arithmetic number, because the mean of its divisors is an integer number (640009188).

Almost surely, 2^13162220709 is an apocalyptic number.

It is an amenable number.

13162220709 is a deficient number, since it is larger than the sum of its proper divisors (7318073307).

13162220709 is a wasteful number, since it uses less digits than its factorization.

13162220709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242005.

The product of its (nonzero) digits is 9072, while the sum is 33.

The spelling of 13162220709 in words is "thirteen billion, one hundred sixty-two million, two hundred twenty thousand, seven hundred nine".