164572287863 has 2 divisors, whose sum is σ = 164572287864. Its totient is φ = 164572287862.

The previous prime is 164572287823. The next prime is 164572288039. The reversal of 164572287863 is 368782275461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164572287863 - 2¹⁰ = 164572286839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164572287823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82286143931 + 82286143932.

It is an arithmetic number, because the mean of its divisors is an integer number (82286143932).

Almost surely, 2^164572287863 is an apocalyptic number.

164572287863 is a deficient number, since it is larger than the sum of its proper divisors (1).

164572287863 is an equidigital number, since it uses as much as digits as its factorization.

164572287863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27095040, while the sum is 59.

The spelling of 164572287863 in words is "one hundred sixty-four billion, five hundred seventy-two million, two hundred eighty-seven thousand, eight hundred sixty-three".