1566080945 has 32 divisors (see below), whose sum is σ = 2217801600. Its totient is φ = 1046615040.

The previous prime is 1566080933. The next prime is 1566080983. The reversal of 1566080945 is 5490806651.

It is not a de Polignac number, because 1566080945 - 2⁸ = 1566080689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1566080896 and 1566080905.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157481 + ... + 167129.

It is an arithmetic number, because the mean of its divisors is an integer number (69306300).

Almost surely, 2^1566080945 is an apocalyptic number.

It is an amenable number.

1566080945 is a deficient number, since it is larger than the sum of its proper divisors (651720655).

1566080945 is a wasteful number, since it uses less digits than its factorization.

1566080945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9905.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 1566080945 is about 39573.7405990387. The cubic root of 1566080945 is about 1161.2830000243.

The spelling of 1566080945 in words is "one billion, five hundred sixty-six million, eighty thousand, nine hundred forty-five".