83694816660000 has 960 divisors, whose sum is σ = 345080348540928. Its totient is φ = 17282916864000.

The previous prime is 83694816659983. The next prime is 83694816660019. The reversal of 83694816660000 is 6661849638.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 256456929 + ... + 256783071.

Almost surely, 2^{83694816660000} is an apocalyptic number.

83694816660000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83694816660000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172540174270464).

83694816660000 is an abundant number, since it is smaller than the sum of its proper divisors (261385531880928).

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

83694816660000 is a wasteful number, since it uses less digits than its factorization.

83694816660000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326243 (or 326220 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 57.

The spelling of 83694816660000 in words is "eighty-three trillion, six hundred ninety-four billion, eight hundred sixteen million, six hundred sixty thousand".