83166642216115 has 16 divisors (see below), whose sum is σ = 105056977305600. Its totient is φ = 63028934449632.

The previous prime is 83166642216113. The next prime is 83166642216127. The reversal of 83166642216115 is 51161224666138.

It is a cyclic number.

It is not a de Polignac number, because 83166642216115 - 2¹ = 83166642216113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83166642216113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15942067 + ... + 20505676.

It is an arithmetic number, because the mean of its divisors is an integer number (6566061081600).

Almost surely, 2^{83166642216115} is an apocalyptic number.

83166642216115 is a deficient number, since it is larger than the sum of its proper divisors (21890335089485).

83166642216115 is a wasteful number, since it uses less digits than its factorization.

83166642216115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36471786.

The product of its digits is 2488320, while the sum is 52.

The spelling of 83166642216115 in words is "eighty-three trillion, one hundred sixty-six billion, six hundred forty-two million, two hundred sixteen thousand, one hundred fifteen".