163425145650 has 96 divisors (see below), whose sum is σ = 451521725760. Its totient is φ = 38840551680.

The previous prime is 163425145643. The next prime is 163425145661. The reversal of 163425145650 is 56541524361.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1388412 + ... + 1501511.

It is an arithmetic number, because the mean of its divisors is an integer number (4703351310).

Almost surely, 2^163425145650 is an apocalyptic number.

163425145650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163425145650 is an abundant number, since it is smaller than the sum of its proper divisors (288096580110).

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

163425145650 is a wasteful number, since it uses less digits than its factorization.

163425145650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2889980 (or 2889975 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 163425145650 in words is "one hundred sixty-three billion, four hundred twenty-five million, one hundred forty-five thousand, six hundred fifty".