163338725464 has 64 divisors (see below), whose sum is σ = 321522278400. Its totient is φ = 77690793600.

The previous prime is 163338725461. The next prime is 163338725471. The reversal of 163338725464 is 464527833361.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163338725461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40041777 + ... + 40045855.

It is an arithmetic number, because the mean of its divisors is an integer number (5023785600).

Almost surely, 2^163338725464 is an apocalyptic number.

It is an amenable number.

163338725464 is a deficient number, since it is larger than the sum of its proper divisors (158183552936).

163338725464 is a wasteful number, since it uses less digits than its factorization.

163338725464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6824 (or 6820 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 52.

The spelling of 163338725464 in words is "one hundred sixty-three billion, three hundred thirty-eight million, seven hundred twenty-five thousand, four hundred sixty-four".