83491203145504 has 96 divisors (see below), whose sum is σ = 204983590896000. Its totient is φ = 32521002455040.

The previous prime is 83491203145489. The next prime is 83491203145513. The reversal of 83491203145504 is 40554130219438.

It is a super-3 number, since 3×83491203145504³ (a number of 43 digits) contains 333 as substring.

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, 5792442 + ... + 14161030.

It is an arithmetic number, because the mean of its divisors is an integer number (2135245738500).

Almost surely, 2^{83491203145504} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83491203145504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102491795448000).

83491203145504 is an abundant number, since it is smaller than the sum of its proper divisors (121492387750496).

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

83491203145504 is a wasteful number, since it uses less digits than its factorization.

83491203145504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8372666 (or 8372658 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 49.

The spelling of 83491203145504 in words is "eighty-three trillion, four hundred ninety-one billion, two hundred three million, one hundred forty-five thousand, five hundred four".