5661077445 has 24 divisors (see below), whose sum is σ = 10175963616. Its totient is φ = 3019240656.

The previous prime is 5661077437. The next prime is 5661077453. The reversal of 5661077445 is 5447701665.

5661077445 is a `hidden beast` number, since 566 + 10 + 7 + 74 + 4 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (5661077437) and next prime (5661077453).

It is not a de Polignac number, because 5661077445 - 2³ = 5661077437 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 5661077445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2328447 + ... + 2330876.

It is an arithmetic number, because the mean of its divisors is an integer number (423998484).

Almost surely, 2^5661077445 is an apocalyptic number.

It is an amenable number.

5661077445 is a deficient number, since it is larger than the sum of its proper divisors (4514886171).

5661077445 is an equidigital number, since it uses as much as digits as its factorization.

5661077445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4659343 (or 4659331 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The square root of 5661077445 is about 75240.1318778749. The cubic root of 5661077445 is about 1782.2407337257.

The spelling of 5661077445 in words is "five billion, six hundred sixty-one million, seventy-seven thousand, four hundred forty-five".