163652551 has 2 divisors, whose sum is σ = 163652552. Its totient is φ = 163652550.

The previous prime is 163652537. The next prime is 163652563. The reversal of 163652551 is 155256361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163652551 - 2⁵ = 163652519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163652051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81826275 + 81826276.

It is an arithmetic number, because the mean of its divisors is an integer number (81826276).

Almost surely, 2^163652551 is an apocalyptic number.

163652551 is a deficient number, since it is larger than the sum of its proper divisors (1).

163652551 is an equidigital number, since it uses as much as digits as its factorization.

163652551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27000, while the sum is 34.

The square root of 163652551 is about 12792.6756779026. The cubic root of 163652551 is about 546.9835427806.

The spelling of 163652551 in words is "one hundred sixty-three million, six hundred fifty-two thousand, five hundred fifty-one".