83916666057 has 8 divisors (see below), whose sum is σ = 127873014976. Its totient is φ = 47952380592.

The previous prime is 83916666017. The next prime is 83916666149. The reversal of 83916666057 is 75066661938.

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

It is not a de Polignac number, because 83916666057 - 2⁶ = 83916665993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83916665988 and 83916666006.

It is not an unprimeable number, because it can be changed into a prime (83916666017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1998015838 + ... + 1998015879.

It is an arithmetic number, because the mean of its divisors is an integer number (15984126872).

Almost surely, 2^83916666057 is an apocalyptic number.

It is an amenable number.

83916666057 is a deficient number, since it is larger than the sum of its proper divisors (43956348919).

83916666057 is a wasteful number, since it uses less digits than its factorization.

83916666057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3996031727.

The product of its (nonzero) digits is 9797760, while the sum is 57.

The spelling of 83916666057 in words is "eighty-three billion, nine hundred sixteen million, six hundred sixty-six thousand, fifty-seven".