866294016 has 72 divisors (see below), whose sum is σ = 2634993984. Its totient is φ = 247511040.

The previous prime is 866293997. The next prime is 866294017. The reversal of 866294016 is 610492668.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (866294017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75195 + ... + 85946.

Almost surely, 2^866294016 is an apocalyptic number.

It is an amenable number.

866294016 is an abundant number, since it is smaller than the sum of its proper divisors (1768699968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

866294016 is a wasteful number, since it uses less digits than its factorization.

866294016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161167 (or 161153 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 866294016 is about 29432.8730503836. The cubic root of 866294016 is about 953.2828314758.

The spelling of 866294016 in words is "eight hundred sixty-six million, two hundred ninety-four thousand, sixteen".