163327644500 has 48 divisors (see below), whose sum is σ = 377690393808. Its totient is φ = 61488051200.

The previous prime is 163327644433. The next prime is 163327644527. The reversal of 163327644500 is 5446723361.

It can be written as a sum of positive squares in 8 ways, for example, as 87946647364 + 75380997136 = 296558^2 + 274556^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9599009 + ... + 9616008.

It is an arithmetic number, because the mean of its divisors is an integer number (7868549871).

Almost surely, 2^163327644500 is an apocalyptic number.

163327644500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163327644500 is an abundant number, since it is smaller than the sum of its proper divisors (214362749308).

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

163327644500 is a wasteful number, since it uses less digits than its factorization.

163327644500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19215053 (or 19215041 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 41.

The spelling of 163327644500 in words is "one hundred sixty-three billion, three hundred twenty-seven million, six hundred forty-four thousand, five hundred".