65890566083660 has 24 divisors (see below), whose sum is σ = 146509611645600. Its totient is φ = 24805860172544.

The previous prime is 65890566083479. The next prime is 65890566083669. The reversal of 65890566083660 is 6638066509856.

It is a Harshad number since it is a multiple of its sum of digits (68).

It is not an unprimeable number, because it can be changed into a prime (65890566083669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96897890960 + ... + 96897891639.

It is an arithmetic number, because the mean of its divisors is an integer number (6104567151900).

Almost surely, 2^{65890566083660} is an apocalyptic number.

It is an amenable number.

65890566083660 is an abundant number, since it is smaller than the sum of its proper divisors (80619045561940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65890566083660 is a wasteful number, since it uses less digits than its factorization.

65890566083660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193795782625 (or 193795782623 counting only the distinct ones).

The product of its (nonzero) digits is 335923200, while the sum is 68.

The spelling of 65890566083660 in words is "sixty-five trillion, eight hundred ninety billion, five hundred sixty-six million, eighty-three thousand, six hundred sixty".