13161773772 has 108 divisors (see below), whose sum is σ = 40036585680. Its totient is φ = 3630820032.

The previous prime is 13161773771. The next prime is 13161773773. The reversal of 13161773772 is 27737716131.

It is an interprime number because it is at equal distance from previous prime (13161773771) and next prime (13161773773).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (13161773771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 77488 + ... + 179799.

Almost surely, 2^13161773772 is an apocalyptic number.

13161773772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13161773772 is an abundant number, since it is smaller than the sum of its proper divisors (26874811908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13161773772 is a wasteful number, since it uses less digits than its factorization.

13161773772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257340 (or 257328 counting only the distinct ones).

The product of its digits is 259308, while the sum is 45.

The spelling of 13161773772 in words is "thirteen billion, one hundred sixty-one million, seven hundred seventy-three thousand, seven hundred seventy-two".