1056106659 has 32 divisors (see below), whose sum is σ = 1570867200. Its totient is φ = 628266240.

The previous prime is 1056106631. The next prime is 1056106661. The reversal of 1056106659 is 9566016501.

It is not a de Polignac number, because 1056106659 - 2¹¹ = 1056104611 is a prime.

It is a super-2 number, since 2×1056106659² = 2230722550368284562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1056106159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59982 + ... + 75564.

It is an arithmetic number, because the mean of its divisors is an integer number (49089600).

Almost surely, 2^1056106659 is an apocalyptic number.

1056106659 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1056106659 is a deficient number, since it is larger than the sum of its proper divisors (514760541).

1056106659 is a wasteful number, since it uses less digits than its factorization.

1056106659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15675.

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 1056106659 is about 32497.7946790240. The cubic root of 1056106659 is about 1018.3629574740.

The spelling of 1056106659 in words is "one billion, fifty-six million, one hundred six thousand, six hundred fifty-nine".