1066045461 has 16 divisors (see below), whose sum is σ = 1531368384. Its totient is φ = 655755264.

The previous prime is 1066045451. The next prime is 1066045501. The reversal of 1066045461 is 1645406601.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1066045461 is a prime.

It is a super-2 number, since 2×1066045461² = 2272905849837405042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066045451) 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, 130870 + ... + 138776.

It is an arithmetic number, because the mean of its divisors is an integer number (95710524).

Almost surely, 2^1066045461 is an apocalyptic number.

It is an amenable number.

1066045461 is a deficient number, since it is larger than the sum of its proper divisors (465322923).

1066045461 is a wasteful number, since it uses less digits than its factorization.

1066045461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11380.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 1066045461 is about 32650.3516213838. The cubic root of 1066045461 is about 1021.5475231068.

The spelling of 1066045461 in words is "one billion, sixty-six million, forty-five thousand, four hundred sixty-one".