13193073616 has 10 divisors (see below), whose sum is σ = 25561580162. Its totient is φ = 6596536800.

The previous prime is 13193073613. The next prime is 13193073623. The reversal of 13193073616 is 61637039131.

It can be written as a sum of positive squares in only one way, i.e., 13192819600 + 254016 = 114860^2 + 504^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13193073613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412283535 + ... + 412283566.

Almost surely, 2^13193073616 is an apocalyptic number.

13193073616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13193073616 is a deficient number, since it is larger than the sum of its proper divisors (12368506546).

13193073616 is an equidigital number, since it uses as much as digits as its factorization.

13193073616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824567109 (or 824567103 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 40.

The spelling of 13193073616 in words is "thirteen billion, one hundred ninety-three million, seventy-three thousand, six hundred sixteen".