163911929190 has 64 divisors (see below), whose sum is σ = 403051182336. Its totient is φ = 42638827392.

The previous prime is 163911929183. The next prime is 163911929221. The reversal of 163911929190 is 91929119361.

163911929190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×163911929190² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 934504 + ... + 1095956.

It is an arithmetic number, because the mean of its divisors is an integer number (6297674724).

Almost surely, 2^163911929190 is an apocalyptic number.

163911929190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 163911929190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201525591168).

163911929190 is an abundant number, since it is smaller than the sum of its proper divisors (239139253146).

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

163911929190 is a wasteful number, since it uses less digits than its factorization.

163911929190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162293.

The product of its (nonzero) digits is 236196, while the sum is 51.

The spelling of 163911929190 in words is "one hundred sixty-three billion, nine hundred eleven million, nine hundred twenty-nine thousand, one hundred ninety".