163872042 has 8 divisors (see below), whose sum is σ = 327744096. Its totient is φ = 54624012.

The previous prime is 163872031. The next prime is 163872053. The reversal of 163872042 is 240278361.

163872042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (163872031) and next prime (163872053).

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

163872042 is an admirable number.

It is a super-2 number, since 2×163872042² = 53708092298499528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 163871994 and 163872012.

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, 13655998 + ... + 13656009.

It is an arithmetic number, because the mean of its divisors is an integer number (40968012).

Almost surely, 2^163872042 is an apocalyptic number.

163872042 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.

163872042 is a wasteful number, since it uses less digits than its factorization.

163872042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27312012.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 163872042 is about 12801.2515794355. The cubic root of 163872042 is about 547.2279718674.

The spelling of 163872042 in words is "one hundred sixty-three million, eight hundred seventy-two thousand, forty-two".