662894221085 has 8 divisors (see below), whose sum is σ = 796624260576. Its totient is φ = 529547913360.

The previous prime is 662894221043. The next prime is 662894221153. The reversal of 662894221085 is 580122498266.

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

It is not a de Polignac number, because 662894221085 - 2⁶ = 662894221021 is a prime.

It is a super-3 number, since 3×662894221085³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95929139 + ... + 95936048.

It is an arithmetic number, because the mean of its divisors is an integer number (99578032572).

Almost surely, 2^662894221085 is an apocalyptic number.

It is an amenable number.

662894221085 is a deficient number, since it is larger than the sum of its proper divisors (133730039491).

662894221085 is a wasteful number, since it uses less digits than its factorization.

662894221085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191865883.

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 662894221085 in words is "six hundred sixty-two billion, eight hundred ninety-four million, two hundred twenty-one thousand, eighty-five".