83121580552330 has 32 divisors (see below), whose sum is σ = 157494463335360. Its totient is φ = 31498515751680.

The previous prime is 83121580552327. The next prime is 83121580552333. The reversal of 83121580552330 is 3325508512138.

It is an interprime number because it is at equal distance from previous prime (83121580552327) and next prime (83121580552333).

It is not an unprimeable number, because it can be changed into a prime (83121580552333) 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, 32874777 + ... + 35312803.

It is an arithmetic number, because the mean of its divisors is an integer number (4921701979230).

Almost surely, 2^{83121580552330} is an apocalyptic number.

83121580552330 is a deficient number, since it is larger than the sum of its proper divisors (74372882783030).

83121580552330 is a wasteful number, since it uses less digits than its factorization.

83121580552330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2617494.

The product of its (nonzero) digits is 864000, while the sum is 46.

The spelling of 83121580552330 in words is "eighty-three trillion, one hundred twenty-one billion, five hundred eighty million, five hundred fifty-two thousand, three hundred thirty".