164703250531 has 2 divisors, whose sum is σ = 164703250532. Its totient is φ = 164703250530.

The previous prime is 164703250519. The next prime is 164703250541. The reversal of 164703250531 is 135052307461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164703250531 - 2³¹ = 162555766883 is a prime.

It is a super-2 number, since 2×164703250531² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (164703250541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82351625265 + 82351625266.

It is an arithmetic number, because the mean of its divisors is an integer number (82351625266).

Almost surely, 2^164703250531 is an apocalyptic number.

164703250531 is a deficient number, since it is larger than the sum of its proper divisors (1).

164703250531 is an equidigital number, since it uses as much as digits as its factorization.

164703250531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 37.

Adding to 164703250531 its reverse (135052307461), we get a palindrome (299755557992).

The spelling of 164703250531 in words is "one hundred sixty-four billion, seven hundred three million, two hundred fifty thousand, five hundred thirty-one".