65693550153 has 144 divisors (see below), whose sum is σ = 117831684096. Its totient is φ = 32131249920.

The previous prime is 65693550137. The next prime is 65693550161. The reversal of 65693550153 is 35105539656.

It is not a de Polignac number, because 65693550153 - 2⁴ = 65693550137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65693550113) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 294589800 + ... + 294590022.

It is an arithmetic number, because the mean of its divisors is an integer number (818275584).

Almost surely, 2^65693550153 is an apocalyptic number.

It is an amenable number.

65693550153 is a deficient number, since it is larger than the sum of its proper divisors (52138133943).

65693550153 is a wasteful number, since it uses less digits than its factorization.

65693550153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 1822500, while the sum is 48.

The spelling of 65693550153 in words is "sixty-five billion, six hundred ninety-three million, five hundred fifty thousand, one hundred fifty-three".