163551151 has 2 divisors, whose sum is σ = 163551152. Its totient is φ = 163551150.

The previous prime is 163551149. The next prime is 163551161. The reversal of 163551151 is 151155361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163551151 - 2¹ = 163551149 is a prime.

Together with 163551149, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163551131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81775575 + 81775576.

It is an arithmetic number, because the mean of its divisors is an integer number (81775576).

Almost surely, 2^163551151 is an apocalyptic number.

163551151 is a deficient number, since it is larger than the sum of its proper divisors (1).

163551151 is an equidigital number, since it uses as much as digits as its factorization.

163551151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2250, while the sum is 28.

The square root of 163551151 is about 12788.7118585102. The cubic root of 163551151 is about 546.8705481259.

The spelling of 163551151 in words is "one hundred sixty-three million, five hundred fifty-one thousand, one hundred fifty-one".