83144217812065 has 16 divisors (see below), whose sum is σ = 101896828047360. Its totient is φ = 65099555789760.

The previous prime is 83144217812059. The next prime is 83144217812111. The reversal of 83144217812065 is 56021871244138.

It is not a de Polignac number, because 83144217812065 - 2³ = 83144217812057 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24947431 + ... + 28083139.

It is an arithmetic number, because the mean of its divisors is an integer number (6368551752960).

Almost surely, 2^{83144217812065} is an apocalyptic number.

It is an amenable number.

83144217812065 is a deficient number, since it is larger than the sum of its proper divisors (18752610235295).

83144217812065 is a wasteful number, since it uses less digits than its factorization.

83144217812065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3248592.

The product of its (nonzero) digits is 2580480, while the sum is 52.

The spelling of 83144217812065 in words is "eighty-three trillion, one hundred forty-four billion, two hundred seventeen million, eight hundred twelve thousand, sixty-five".