86163751825651 has 2 divisors, whose sum is σ = 86163751825652. Its totient is φ = 86163751825650.

The previous prime is 86163751825531. The next prime is 86163751825741. The reversal of 86163751825651 is 15652815736168.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86163751825651 - 2¹³ = 86163751817459 is a prime.

It is not a weakly prime, because it can be changed into another prime (86163751855651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43081875912825 + 43081875912826.

It is an arithmetic number, because the mean of its divisors is an integer number (43081875912826).

Almost surely, 2^{86163751825651} is an apocalyptic number.

86163751825651 is a deficient number, since it is larger than the sum of its proper divisors (1).

86163751825651 is an equidigital number, since it uses as much as digits as its factorization.

86163751825651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576000, while the sum is 64.

The spelling of 86163751825651 in words is "eighty-six trillion, one hundred sixty-three billion, seven hundred fifty-one million, eight hundred twenty-five thousand, six hundred fifty-one".