83966186390 has 8 divisors (see below), whose sum is σ = 151139135520. Its totient is φ = 33586474552.

The previous prime is 83966186383. The next prime is 83966186443. The reversal of 83966186390 is 9368166938.

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

It is a congruent number.

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, 4198309310 + ... + 4198309329.

It is an arithmetic number, because the mean of its divisors is an integer number (18892391940).

Almost surely, 2^83966186390 is an apocalyptic number.

83966186390 is a deficient number, since it is larger than the sum of its proper divisors (67172949130).

83966186390 is a wasteful number, since it uses less digits than its factorization.

83966186390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8396618646.

The product of its (nonzero) digits is 10077696, while the sum is 59.

The spelling of 83966186390 in words is "eighty-three billion, nine hundred sixty-six million, one hundred eighty-six thousand, three hundred ninety".