19702160708 has 12 divisors (see below), whose sum is σ = 35667704940. Its totient is φ = 9511387872.

The previous prime is 19702160707. The next prime is 19702160809. The reversal of 19702160708 is 80706120791.

It can be written as a sum of positive squares in 2 ways, for example, as 7565172484 + 12136988224 = 86978^2 + 110168^2 .

It is a super-2 number, since 2×19702160708² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19702160707) 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, 84922991 + ... + 84923222.

It is an arithmetic number, because the mean of its divisors is an integer number (2972308745).

Almost surely, 2^19702160708 is an apocalyptic number.

It is an amenable number.

19702160708 is a deficient number, since it is larger than the sum of its proper divisors (15965544232).

19702160708 is a wasteful number, since it uses less digits than its factorization.

19702160708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169846246 (or 169846244 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 41.

The spelling of 19702160708 in words is "nineteen billion, seven hundred two million, one hundred sixty thousand, seven hundred eight".