1116344646 has 32 divisors (see below), whose sum is σ = 2503538400. Its totient is φ = 368699040.

The previous prime is 1116344599. The next prime is 1116344657. The reversal of 1116344646 is 6464436111.

1116344646 is a `hidden beast` number, since 1 + 1 + 1 + 6 + 3 + 4 + 4 + 646 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1116344646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88945 + ... + 100716.

It is an arithmetic number, because the mean of its divisors is an integer number (78235575).

Almost surely, 2^1116344646 is an apocalyptic number.

1116344646 is an abundant number, since it is smaller than the sum of its proper divisors (1387193754).

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

1116344646 is a wasteful number, since it uses less digits than its factorization.

1116344646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189781 (or 189775 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 1116344646 is about 33411.7441328644. The cubic root of 1116344646 is about 1037.3678030818.

The spelling of 1116344646 in words is "one billion, one hundred sixteen million, three hundred forty-four thousand, six hundred forty-six".