66000000083 has 8 divisors (see below), whose sum is σ = 68892832800. Its totient is φ = 63109106368.

The previous prime is 66000000067. The next prime is 66000000107. The reversal of 66000000083 is 38000000066.

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

It is a cyclic number.

It is not a de Polignac number, because 66000000083 - 2⁴ = 66000000067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65999999995 and 66000000058.

It is not an unprimeable number, because it can be changed into a prime (66000000013) 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 7 ways as a sum of consecutive naturals, for example, 414968 + ... + 551541.

It is an arithmetic number, because the mean of its divisors is an integer number (8611604100).

Almost surely, 2^66000000083 is an apocalyptic number.

66000000083 is a deficient number, since it is larger than the sum of its proper divisors (2892832717).

66000000083 is a wasteful number, since it uses less digits than its factorization.

66000000083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969501.

The product of its (nonzero) digits is 864, while the sum is 23.

The spelling of 66000000083 in words is "sixty-six billion, eighty-three", and thus it is an aban number and an uban number.