163146597120 has 540 divisors, whose sum is σ = 632195758656. Its totient is φ = 40154849280.

The previous prime is 163146597109. The next prime is 163146597127. The reversal of 163146597120 is 21795641361.

163146597120 is a `hidden beast` number, since 1 + 6 + 3 + 1 + 46 + 597 + 12 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (540).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (163146597127) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 17517265 + ... + 17526575.

Almost surely, 2^163146597120 is an apocalyptic number.

163146597120 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 163146597120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316097879328).

163146597120 is an abundant number, since it is smaller than the sum of its proper divisors (469049161536).

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

163146597120 is an equidigital number, since it uses as much as digits as its factorization.

163146597120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9370 (or 9334 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 163146597120 in words is "one hundred sixty-three billion, one hundred forty-six million, five hundred ninety-seven thousand, one hundred twenty".