165064954499 has 2 divisors, whose sum is σ = 165064954500. Its totient is φ = 165064954498.

The previous prime is 165064954493. The next prime is 165064954513. The reversal of 165064954499 is 994459460561.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165064954499 is a prime.

It is not a weakly prime, because it can be changed into another prime (165064954493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82532477249 + 82532477250.

It is an arithmetic number, because the mean of its divisors is an integer number (82532477250).

Almost surely, 2^165064954499 is an apocalyptic number.

165064954499 is a deficient number, since it is larger than the sum of its proper divisors (1).

165064954499 is an equidigital number, since it uses as much as digits as its factorization.

165064954499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41990400, while the sum is 62.

The spelling of 165064954499 in words is "one hundred sixty-five billion, sixty-four million, nine hundred fifty-four thousand, four hundred ninety-nine".