1116465646 has 4 divisors (see below), whose sum is σ = 1674698472. Its totient is φ = 558232822.

The previous prime is 1116465643. The next prime is 1116465661. The reversal of 1116465646 is 6465646111.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1116465599 and 1116465608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116465643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 279116410 + ... + 279116413.

It is an arithmetic number, because the mean of its divisors is an integer number (418674618).

Almost surely, 2^1116465646 is an apocalyptic number.

1116465646 is a deficient number, since it is larger than the sum of its proper divisors (558232826).

1116465646 is an equidigital number, since it uses as much as digits as its factorization.

1116465646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558232825.

The product of its digits is 103680, while the sum is 40.

The square root of 1116465646 is about 33413.5548243523. The cubic root of 1116465646 is about 1037.4052816418.

It can be divided in two parts, 1116465 and 646, that added together give a palindrome (1117111).

The spelling of 1116465646 in words is "one billion, one hundred sixteen million, four hundred sixty-five thousand, six hundred forty-six".