166352363951 has 2 divisors, whose sum is σ = 166352363952. Its totient is φ = 166352363950.

The previous prime is 166352363927. The next prime is 166352364023. The reversal of 166352363951 is 159363253661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 166352363951 - 2¹⁸ = 166352101807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 166352363951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166352363921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83176181975 + 83176181976.

It is an arithmetic number, because the mean of its divisors is an integer number (83176181976).

Almost surely, 2^166352363951 is an apocalyptic number.

166352363951 is a deficient number, since it is larger than the sum of its proper divisors (1).

166352363951 is an equidigital number, since it uses as much as digits as its factorization.

166352363951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2624400, while the sum is 50.

The spelling of 166352363951 in words is "one hundred sixty-six billion, three hundred fifty-two million, three hundred sixty-three thousand, nine hundred fifty-one".