916000866321 has 4 divisors (see below), whose sum is σ = 1221334488432. Its totient is φ = 610667244212.

The previous prime is 916000866293. The next prime is 916000866331. The reversal of 916000866321 is 123668000619.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 916000866321 - 2³⁸ = 641122959377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (916000866331) 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, 152666811051 + ... + 152666811056.

It is an arithmetic number, because the mean of its divisors is an integer number (305333622108).

Almost surely, 2^916000866321 is an apocalyptic number.

It is an amenable number.

916000866321 is a deficient number, since it is larger than the sum of its proper divisors (305333622111).

916000866321 is a wasteful number, since it uses less digits than its factorization.

916000866321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305333622110.

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 916000866321 in words is "nine hundred sixteen billion, eight hundred sixty-six thousand, three hundred twenty-one".