1045666047 has 8 divisors (see below), whose sum is σ = 1394688256. Its totient is φ = 696877272.

The previous prime is 1045666031. The next prime is 1045666123. The reversal of 1045666047 is 7406665401.

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

It is not a de Polignac number, because 1045666047 - 2⁴ = 1045666031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1045665996 and 1045666014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045662047) 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, 47623 + ... + 66024.

It is an arithmetic number, because the mean of its divisors is an integer number (174336032).

Almost surely, 2^1045666047 is an apocalyptic number.

1045666047 is a deficient number, since it is larger than the sum of its proper divisors (349022209).

1045666047 is a wasteful number, since it uses less digits than its factorization.

1045666047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116717.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 1045666047 is about 32336.7599953984. The cubic root of 1045666047 is about 1014.9960112116.

The spelling of 1045666047 in words is "one billion, forty-five million, six hundred sixty-six thousand, forty-seven".