83318553450 has 96 divisors (see below), whose sum is σ = 250460665920. Its totient is φ = 20198433600.

The previous prime is 83318553449. The next prime is 83318553457. The reversal of 83318553450 is 5435581338.

83318553450 is a `hidden beast` number, since 8 + 3 + 31 + 85 + 534 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 83318553396 and 83318553405.

It is not an unprimeable number, because it can be changed into a prime (83318553457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2790489 + ... + 2820188.

It is an arithmetic number, because the mean of its divisors is an integer number (2608965270).

Almost surely, 2^83318553450 is an apocalyptic number.

83318553450 is an abundant number, since it is smaller than the sum of its proper divisors (167142112470).

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

83318553450 is a wasteful number, since it uses less digits than its factorization.

83318553450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5610709 (or 5610698 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 83318553450 in words is "eighty-three billion, three hundred eighteen million, five hundred fifty-three thousand, four hundred fifty".