164507307901 has 2 divisors, whose sum is σ = 164507307902. Its totient is φ = 164507307900.

The previous prime is 164507307847. The next prime is 164507307929. The reversal of 164507307901 is 109703705461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99660176100 + 64847131801 = 315690^2 + 254651^2 .

It is a cyclic number.

It is not a de Polignac number, because 164507307901 - 2⁷ = 164507307773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164507307961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82253653950 + 82253653951.

It is an arithmetic number, because the mean of its divisors is an integer number (82253653951).

Almost surely, 2^164507307901 is an apocalyptic number.

It is an amenable number.

164507307901 is a deficient number, since it is larger than the sum of its proper divisors (1).

164507307901 is an equidigital number, since it uses as much as digits as its factorization.

164507307901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158760, while the sum is 43.

The spelling of 164507307901 in words is "one hundred sixty-four billion, five hundred seven million, three hundred seven thousand, nine hundred one".