866450306021465 has 8 divisors (see below), whose sum is σ = 1134262218791808. Its totient is φ = 630145677106480.

The previous prime is 866450306021459. The next prime is 866450306021477. The reversal of 866450306021465 is 564120603054668.

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

It is not a de Polignac number, because 866450306021465 - 2⁶ = 866450306021401 is a prime.

It is a super-2 number, since 2×866450306021465² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 866450306021465.

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, 7876820963777 + ... + 7876820963886.

It is an arithmetic number, because the mean of its divisors is an integer number (141782777348976).

Almost surely, 2^{866450306021465} is an apocalyptic number.

It is an amenable number.

866450306021465 is a deficient number, since it is larger than the sum of its proper divisors (267811912770343).

866450306021465 is a wasteful number, since it uses less digits than its factorization.

866450306021465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15753641927679.

The product of its (nonzero) digits is 24883200, while the sum is 56.

The spelling of 866450306021465 in words is "eight hundred sixty-six trillion, four hundred fifty billion, three hundred six million, twenty-one thousand, four hundred sixty-five".