163418472000 has 784 divisors, whose sum is σ = 693637456512. Its totient is φ = 37343462400.

The previous prime is 163418471989. The next prime is 163418472013. The reversal of 163418472000 is 274814361.

163418472000 is a `hidden beast` number, since 1 + 634 + 18 + 4 + 7 + 2 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 40821999 + ... + 40826001.

Almost surely, 2^163418472000 is an apocalyptic number.

163418472000 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 163418472000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346818728256).

163418472000 is an abundant number, since it is smaller than the sum of its proper divisors (530218984512).

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

163418472000 is an frugal number, since it uses more digits than its factorization.

163418472000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4055 (or 4020 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 163418472000 in words is "one hundred sixty-three billion, four hundred eighteen million, four hundred seventy-two thousand".