1056561606 has 48 divisors (see below), whose sum is σ = 2318123808. Its totient is φ = 347760000.

The previous prime is 1056561491. The next prime is 1056561619. The reversal of 1056561606 is 6061656501.

It is a super-2 number, since 2×1056561606² = 2232644854546598472, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1092135 + ... + 1093101.

It is an arithmetic number, because the mean of its divisors is an integer number (48294246).

Almost surely, 2^1056561606 is an apocalyptic number.

1056561606 is an abundant number, since it is smaller than the sum of its proper divisors (1261562202).

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

1056561606 is a wasteful number, since it uses less digits than its factorization.

1056561606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677 (or 1674 counting only the distinct ones).

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

The square root of 1056561606 is about 32504.7935849468. The cubic root of 1056561606 is about 1018.5091657690.

The spelling of 1056561606 in words is "one billion, fifty-six million, five hundred sixty-one thousand, six hundred six".