163888051 has 2 divisors, whose sum is σ = 163888052. Its totient is φ = 163888050.

The previous prime is 163888037. The next prime is 163888057. The reversal of 163888051 is 150888361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163888051 - 2⁷ = 163887923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163887995 and 163888013.

It is not a weakly prime, because it can be changed into another prime (163888057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81944025 + 81944026.

It is an arithmetic number, because the mean of its divisors is an integer number (81944026).

Almost surely, 2^163888051 is an apocalyptic number.

163888051 is a deficient number, since it is larger than the sum of its proper divisors (1).

163888051 is an equidigital number, since it uses as much as digits as its factorization.

163888051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 163888051 is about 12801.8768545866. The cubic root of 163888051 is about 547.2457912327.

The spelling of 163888051 in words is "one hundred sixty-three million, eight hundred eighty-eight thousand, fifty-one".