65665150153 has 2 divisors, whose sum is σ = 65665150154. Its totient is φ = 65665150152.

The previous prime is 65665150123. The next prime is 65665150157. The reversal of 65665150153 is 35105156656.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57210899344 + 8454250809 = 239188^2 + 91947^2 .

It is a cyclic number.

It is not a de Polignac number, because 65665150153 - 2²⁵ = 65631595721 is a prime.

It is not a weakly prime, because it can be changed into another prime (65665150157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32832575076 + 32832575077.

It is an arithmetic number, because the mean of its divisors is an integer number (32832575077).

Almost surely, 2^65665150153 is an apocalyptic number.

It is an amenable number.

65665150153 is a deficient number, since it is larger than the sum of its proper divisors (1).

65665150153 is an equidigital number, since it uses as much as digits as its factorization.

65665150153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 405000, while the sum is 43.

The spelling of 65665150153 in words is "sixty-five billion, six hundred sixty-five million, one hundred fifty thousand, one hundred fifty-three".