1045660065 has 16 divisors (see below), whose sum is σ = 1673457408. Its totient is φ = 557551616.

The previous prime is 1045659983. The next prime is 1045660069. The reversal of 1045660065 is 5600665401.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1045660065 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1045660069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114664 + ... + 123446.

It is an arithmetic number, because the mean of its divisors is an integer number (104591088).

Almost surely, 2^1045660065 is an apocalyptic number.

1045660065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1045660065 is a deficient number, since it is larger than the sum of its proper divisors (627797343).

1045660065 is an equidigital number, since it uses as much as digits as its factorization.

1045660065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16728.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 1045660065 is about 32336.6674999141. The cubic root of 1045660065 is about 1014.9940756932.

The spelling of 1045660065 in words is "one billion, forty-five million, six hundred sixty thousand, sixty-five".