842646462666 has 16 divisors (see below), whose sum is σ = 1685305068384. Its totient is φ = 280880130384.

The previous prime is 842646462653. The next prime is 842646462673. The reversal of 842646462666 is 666264646248.

It is a super-2 number, since 2×842646462666² (a number of 25 digits) contains 22 as substring.

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, 573216 + ... + 1419108.

It is an arithmetic number, because the mean of its divisors is an integer number (105331566774).

Almost surely, 2^842646462666 is an apocalyptic number.

842646462666 is an abundant number, since it is smaller than the sum of its proper divisors (842658605718).

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

842646462666 is a wasteful number, since it uses less digits than its factorization.

842646462666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011925.

The product of its digits is 95551488, while the sum is 60.

The spelling of 842646462666 in words is "eight hundred forty-two billion, six hundred forty-six million, four hundred sixty-two thousand, six hundred sixty-six".