164264116537 has 2 divisors, whose sum is σ = 164264116538. Its totient is φ = 164264116536.

The previous prime is 164264116531. The next prime is 164264116567. The reversal of 164264116537 is 735611462461.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153523696041 + 10740420496 = 391821^2 + 103636^2 .

It is an emirp because it is prime and its reverse (735611462461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164264116537 - 2³⁵ = 129904378169 is a prime.

It is a super-2 number, since 2×164264116537² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (164264116531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82132058268 + 82132058269.

It is an arithmetic number, because the mean of its divisors is an integer number (82132058269).

Almost surely, 2^164264116537 is an apocalyptic number.

It is an amenable number.

164264116537 is a deficient number, since it is larger than the sum of its proper divisors (1).

164264116537 is an equidigital number, since it uses as much as digits as its factorization.

164264116537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 46.

Adding to 164264116537 its reverse (735611462461), we get a palindrome (899875578998).

The spelling of 164264116537 in words is "one hundred sixty-four billion, two hundred sixty-four million, one hundred sixteen thousand, five hundred thirty-seven".