1061566055 has 64 divisors (see below), whose sum is σ = 1480550400. Its totient is φ = 723840000.

The previous prime is 1061566031. The next prime is 1061566063. The reversal of 1061566055 is 5506651601.

It is not a de Polignac number, because 1061566055 - 2¹⁰ = 1061565031 is a prime.

It is a super-2 number, since 2×1061566055² = 2253844978256526050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10510505 + ... + 10510605.

It is an arithmetic number, because the mean of its divisors is an integer number (23133600).

Almost surely, 2^1061566055 is an apocalyptic number.

1061566055 is a deficient number, since it is larger than the sum of its proper divisors (418984345).

1061566055 is a wasteful number, since it uses less digits than its factorization.

1061566055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 1061566055 is about 32581.6828141212. The cubic root of 1061566055 is about 1020.1147041964.

It can be divided in two parts, 106156 and 6055, that added together give a palindrome (112211).

The spelling of 1061566055 in words is "one billion, sixty-one million, five hundred sixty-six thousand, fifty-five".