1066560156 has 24 divisors (see below), whose sum is σ = 2765156240. Its totient is φ = 355520016.

The previous prime is 1066560139. The next prime is 1066560191. The reversal of 1066560156 is 6510656601.

It is a super-2 number, since 2×1066560156² = 2275101132733488672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1066560156.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4937671 + ... + 4937886.

Almost surely, 2^1066560156 is an apocalyptic number.

It is an amenable number.

1066560156 is an abundant number, since it is smaller than the sum of its proper divisors (1698596084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1066560156 is a wasteful number, since it uses less digits than its factorization.

1066560156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9875570 (or 9875562 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 1066560156 is about 32658.2325914921. The cubic root of 1066560156 is about 1021.7119003392.

The spelling of 1066560156 in words is "one billion, sixty-six million, five hundred sixty thousand, one hundred fifty-six".