163229495520 has 384 divisors, whose sum is σ = 666138332160. Its totient is φ = 32626851840.

The previous prime is 163229495491. The next prime is 163229495531. The reversal of 163229495520 is 25594922361.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 163229495520.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 731580 + ... + 928260.

It is an arithmetic number, because the mean of its divisors is an integer number (1734735240).

Almost surely, 2^163229495520 is an apocalyptic number.

163229495520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163229495520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333069166080).

163229495520 is an abundant number, since it is smaller than the sum of its proper divisors (502908836640).

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

163229495520 is a wasteful number, since it uses less digits than its factorization.

163229495520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196738 (or 196730 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 163229495520 in words is "one hundred sixty-three billion, two hundred twenty-nine million, four hundred ninety-five thousand, five hundred twenty".