13168722903 has 48 divisors (see below), whose sum is σ = 22324184064. Its totient is φ = 6853835520.

The previous prime is 13168722877. The next prime is 13168722907. The reversal of 13168722903 is 30922786131.

It is not a de Polignac number, because 13168722903 - 2¹⁰ = 13168721879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13168722907) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7525 + ... + 162462.

It is an arithmetic number, because the mean of its divisors is an integer number (465087168).

Almost surely, 2^13168722903 is an apocalyptic number.

13168722903 is a deficient number, since it is larger than the sum of its proper divisors (9155461161).

13168722903 is a wasteful number, since it uses less digits than its factorization.

13168722903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170052 (or 170045 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 13168722903 in words is "thirteen billion, one hundred sixty-eight million, seven hundred twenty-two thousand, nine hundred three".