86169151 has 2 divisors, whose sum is σ = 86169152. Its totient is φ = 86169150.

The previous prime is 86169143. The next prime is 86169157. The reversal of 86169151 is 15196168.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86169151 - 2³ = 86169143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86169151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86169157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43084575 + 43084576.

It is an arithmetic number, because the mean of its divisors is an integer number (43084576).

Almost surely, 2^86169151 is an apocalyptic number.

86169151 is a deficient number, since it is larger than the sum of its proper divisors (1).

86169151 is an equidigital number, since it uses as much as digits as its factorization.

86169151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 37.

The square root of 86169151 is about 9282.7340261369. The cubic root of 86169151 is about 441.6896994910.

It can be divided in two parts, 86169 and 151, that added together give a triangular number (86320 = T₄₁₅).

The spelling of 86169151 in words is "eighty-six million, one hundred sixty-nine thousand, one hundred fifty-one".