163679141920 has 192 divisors, whose sum is σ = 480201523200. Its totient is φ = 51449748480.

The previous prime is 163679141911. The next prime is 163679141963. The reversal of 163679141920 is 29141976361.

It is a super-2 number, since 2×163679141920² (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 31 ways as a sum of consecutive naturals, for example, 535621 + ... + 783739.

It is an arithmetic number, because the mean of its divisors is an integer number (2501049600).

Almost surely, 2^163679141920 is an apocalyptic number.

163679141920 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 163679141920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240100761600).

163679141920 is an abundant number, since it is smaller than the sum of its proper divisors (316522381280).

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

163679141920 is a wasteful number, since it uses less digits than its factorization.

163679141920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248191 (or 248183 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 49.

The spelling of 163679141920 in words is "one hundred sixty-three billion, six hundred seventy-nine million, one hundred forty-one thousand, nine hundred twenty".