83217166809274 has 8 divisors (see below), whose sum is σ = 124825866998580. Its totient is φ = 41608544476416.

The previous prime is 83217166809233. The next prime is 83217166809277. The reversal of 83217166809274 is 47290866171238.

It can be written as a sum of positive squares in 2 ways, for example, as 65538043140249 + 17679123669025 = 8095557^2 + 4204655^2 .

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

It is not an unprimeable number, because it can be changed into a prime (83217166809277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16714279 + ... + 21114010.

Almost surely, 2^{83217166809274} is an apocalyptic number.

83217166809274 is a deficient number, since it is larger than the sum of its proper divisors (41608700189306).

83217166809274 is a wasteful number, since it uses less digits than its factorization.

83217166809274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38928224.

The product of its (nonzero) digits is 48771072, while the sum is 64.

The spelling of 83217166809274 in words is "eighty-three trillion, two hundred seventeen billion, one hundred sixty-six million, eight hundred nine thousand, two hundred seventy-four".