164525998027 has 2 divisors, whose sum is σ = 164525998028. Its totient is φ = 164525998026.

The previous prime is 164525997971. The next prime is 164525998051. The reversal of 164525998027 is 720899525461.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164525998027 - 2⁷ = 164525997899 is a prime.

It is not a weakly prime, because it can be changed into another prime (164525998057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82262999013 + 82262999014.

It is an arithmetic number, because the mean of its divisors is an integer number (82262999014).

Almost surely, 2^164525998027 is an apocalyptic number.

164525998027 is a deficient number, since it is larger than the sum of its proper divisors (1).

164525998027 is an equidigital number, since it uses as much as digits as its factorization.

164525998027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10886400, while the sum is 58.

The spelling of 164525998027 in words is "one hundred sixty-four billion, five hundred twenty-five million, nine hundred ninety-eight thousand, twenty-seven".