163250898978 has 8 divisors (see below), whose sum is σ = 326501797968. Its totient is φ = 54416966324.

The previous prime is 163250898959. The next prime is 163250899013. The reversal of 163250898978 is 879898052361.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

163250898978 is an admirable number.

It is a super-2 number, since 2×163250898978² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13604241576 + ... + 13604241587.

It is an arithmetic number, because the mean of its divisors is an integer number (40812724746).

Almost surely, 2^163250898978 is an apocalyptic number.

163250898978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

163250898978 is a wasteful number, since it uses less digits than its factorization.

163250898978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27208483168.

The product of its (nonzero) digits is 52254720, while the sum is 66.

The spelling of 163250898978 in words is "one hundred sixty-three billion, two hundred fifty million, eight hundred ninety-eight thousand, nine hundred seventy-eight".