163612051 has 2 divisors, whose sum is σ = 163612052. Its totient is φ = 163612050.

The previous prime is 163611977. The next prime is 163612067. The reversal of 163612051 is 150216361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163612051 - 2¹¹ = 163610003 is a prime.

It is not a weakly prime, because it can be changed into another prime (163612651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81806025 + 81806026.

It is an arithmetic number, because the mean of its divisors is an integer number (81806026).

Almost surely, 2^163612051 is an apocalyptic number.

163612051 is a deficient number, since it is larger than the sum of its proper divisors (1).

163612051 is an equidigital number, since it uses as much as digits as its factorization.

163612051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 163612051 is about 12791.0926429293. The cubic root of 163612051 is about 546.9384173792.

The spelling of 163612051 in words is "one hundred sixty-three million, six hundred twelve thousand, fifty-one".