5661082845 has 32 divisors (see below), whose sum is σ = 10979072640. Its totient is φ = 2744766720.

The previous prime is 5661082787. The next prime is 5661082871. The reversal of 5661082845 is 5482801665.

5661082845 is a `hidden beast` number, since 5 + 6 + 610 + 8 + 28 + 4 + 5 = 666.

It is not a de Polignac number, because 5661082845 - 2⁶ = 5661082781 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5661082845.

It is a congruent number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 1904604 + ... + 1907573.

It is an arithmetic number, because the mean of its divisors is an integer number (343096020).

Almost surely, 2^5661082845 is an apocalyptic number.

5661082845 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5661082845 is a deficient number, since it is larger than the sum of its proper divisors (5317989795).

5661082845 is a wasteful number, since it uses less digits than its factorization.

5661082845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3812202 (or 3812196 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The square root of 5661082845 is about 75240.1677629709. The cubic root of 5661082845 is about 1782.2413004080.

The spelling of 5661082845 in words is "five billion, six hundred sixty-one million, eighty-two thousand, eight hundred forty-five".