1061656170 has 64 divisors (see below), whose sum is σ = 2629186560. Its totient is φ = 274157568.

The previous prime is 1061656159. The next prime is 1061656177. The reversal of 1061656170 is 716561601.

It is a super-2 number, since 2×1061656170² = 2254227646598137800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1061656177) 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, 245386 + ... + 249674.

It is an arithmetic number, because the mean of its divisors is an integer number (41081040).

Almost surely, 2^1061656170 is an apocalyptic number.

1061656170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1061656170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1314593280).

1061656170 is an abundant number, since it is smaller than the sum of its proper divisors (1567530390).

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

1061656170 is a wasteful number, since it uses less digits than its factorization.

1061656170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4559.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 1061656170 is about 32583.0656937005. The cubic root of 1061656170 is about 1020.1435687954.

It can be divided in two parts, 1061 and 656170, that added together give a triangular number (657231 = T₁₁₄₆).

The spelling of 1061656170 in words is "one billion, sixty-one million, six hundred fifty-six thousand, one hundred seventy".