164259611501 has 2 divisors, whose sum is σ = 164259611502. Its totient is φ = 164259611500.

The previous prime is 164259611489. The next prime is 164259611597. The reversal of 164259611501 is 105116952461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118783622500 + 45475989001 = 344650^2 + 213251^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164259611501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164259611401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82129805750 + 82129805751.

It is an arithmetic number, because the mean of its divisors is an integer number (82129805751).

Almost surely, 2^164259611501 is an apocalyptic number.

It is an amenable number.

164259611501 is a deficient number, since it is larger than the sum of its proper divisors (1).

164259611501 is an equidigital number, since it uses as much as digits as its factorization.

164259611501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 41.

The spelling of 164259611501 in words is "one hundred sixty-four billion, two hundred fifty-nine million, six hundred eleven thousand, five hundred one".