83407590082666 has 8 divisors (see below), whose sum is σ = 129425570818020. Its totient is φ = 40265733143328.

The previous prime is 83407590082631. The next prime is 83407590082699. The reversal of 83407590082666 is 66628009570438.

It can be written as a sum of positive squares in 2 ways, for example, as 74901495339225 + 8506094743441 = 8654565^2 + 2916521^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 83407590082598 and 83407590082607.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 719030948931 + ... + 719030949046.

Almost surely, 2^{83407590082666} is an apocalyptic number.

83407590082666 is a deficient number, since it is larger than the sum of its proper divisors (46017980735354).

83407590082666 is a wasteful number, since it uses less digits than its factorization.

83407590082666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438061898008.

The product of its (nonzero) digits is 104509440, while the sum is 64.

The spelling of 83407590082666 in words is "eighty-three trillion, four hundred seven billion, five hundred ninety million, eighty-two thousand, six hundred sixty-six".