83365710918 has 16 divisors (see below), whose sum is σ = 190550196480. Its totient is φ = 23818774536.

The previous prime is 83365710913. The next prime is 83365710931. The reversal of 83365710918 is 81901756338.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83365710913) 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, 992448898 + ... + 992448981.

It is an arithmetic number, because the mean of its divisors is an integer number (11909387280).

Almost surely, 2^83365710918 is an apocalyptic number.

83365710918 is an abundant number, since it is smaller than the sum of its proper divisors (107184485562).

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

83365710918 is a wasteful number, since it uses less digits than its factorization.

83365710918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984897891.

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 83365710918 in words is "eighty-three billion, three hundred sixty-five million, seven hundred ten thousand, nine hundred eighteen".