163985418030 has 64 divisors (see below), whose sum is σ = 450217958400. Its totient is φ = 37446599424.

The previous prime is 163985418007. The next prime is 163985418059. The reversal of 163985418030 is 30814589361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151914 + ... + 592493.

It is an arithmetic number, because the mean of its divisors is an integer number (7034655600).

Almost surely, 2^163985418030 is an apocalyptic number.

163985418030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163985418030 is an abundant number, since it is smaller than the sum of its proper divisors (286232540370).

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

163985418030 is a wasteful number, since it uses less digits than its factorization.

163985418030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745473.

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 163985418030 in words is "one hundred sixty-three billion, nine hundred eighty-five million, four hundred eighteen thousand, thirty".