1056566461 has 8 divisors (see below), whose sum is σ = 1071027200. Its totient is φ = 1042133040.

The previous prime is 1056566453. The next prime is 1056566491. The reversal of 1056566461 is 1646656501.

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

It is a cyclic number.

It is not a de Polignac number, because 1056566461 - 2³ = 1056566453 is a prime.

It is a super-2 number, since 2×1056566461² = 2232665373020129042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056566411) 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, 78196 + ... + 90706.

It is an arithmetic number, because the mean of its divisors is an integer number (133878400).

Almost surely, 2^1056566461 is an apocalyptic number.

It is an amenable number.

1056566461 is a deficient number, since it is larger than the sum of its proper divisors (14460739).

1056566461 is a wasteful number, since it uses less digits than its factorization.

1056566461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13659.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 1056566461 is about 32504.8682661536. The cubic root of 1056566461 is about 1018.5107258151.

The spelling of 1056566461 in words is "one billion, fifty-six million, five hundred sixty-six thousand, four hundred sixty-one".