1116640641 has 8 divisors (see below), whose sum is σ = 1523478880. Its totient is φ = 727114752.

The previous prime is 1116640633. The next prime is 1116640669. The reversal of 1116640641 is 1460466111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1116640641 - 2³ = 1116640633 is a prime.

It is a super-2 number, since 2×1116640641² = 2493772642265781762, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1116640599 and 1116640608.

It is not an unprimeable number, because it can be changed into a prime (1116640601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4327936 + ... + 4328193.

It is an arithmetic number, because the mean of its divisors is an integer number (190434860).

Almost surely, 2^1116640641 is an apocalyptic number.

It is an amenable number.

1116640641 is a deficient number, since it is larger than the sum of its proper divisors (406838239).

1116640641 is an equidigital number, since it uses as much as digits as its factorization.

1116640641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8656175.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1116640641 is about 33416.1733446545. The cubic root of 1116640641 is about 1037.4594798323.

The spelling of 1116640641 in words is "one billion, one hundred sixteen million, six hundred forty thousand, six hundred forty-one".