163450000 has 120 divisors (see below), whose sum is σ = 453345984. Its totient is φ = 55920000.

The previous prime is 163449997. The next prime is 163450033. The reversal of 163450000 is 54361.

It is a self number, because there is not a number n which added to its sum of digits gives 163450000.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 349767 + ... + 350233.

Almost surely, 2^163450000 is an apocalyptic number.

163450000 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 163450000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226672992).

163450000 is an abundant number, since it is smaller than the sum of its proper divisors (289895984).

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

163450000 is an frugal number, since it uses more digits than its factorization.

163450000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 163450000 is about 12784.7565483274. The cubic root of 163450000 is about 546.7577844020.

The spelling of 163450000 in words is "one hundred sixty-three million, four hundred fifty thousand".