163513454039 has 8 divisors (see below), whose sum is σ = 177133375440. Its totient is φ = 150935494008.

The previous prime is 163513454011. The next prime is 163513454057. The reversal of 163513454039 is 930454315361.

It is not a de Polignac number, because 163513454039 - 2³⁶ = 94793977303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163513456039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37210697 + ... + 37215090.

It is an arithmetic number, because the mean of its divisors is an integer number (22141671930).

Almost surely, 2^163513454039 is an apocalyptic number.

163513454039 is a deficient number, since it is larger than the sum of its proper divisors (13619921401).

163513454039 is an frugal number, since it uses more digits than its factorization.

163513454039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74425826 (or 74425800 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 44.

The spelling of 163513454039 in words is "one hundred sixty-three billion, five hundred thirteen million, four hundred fifty-four thousand, thirty-nine".