1061164636 has 24 divisors (see below), whose sum is σ = 2195514720. Its totient is φ = 439102272.

The previous prime is 1061164631. The next prime is 1061164661. The reversal of 1061164636 is 6364611601.

It is a super-2 number, since 2×1061164636² = 2252140769394024992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061164631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 652615 + ... + 654238.

It is an arithmetic number, because the mean of its divisors is an integer number (91479780).

Almost surely, 2^1061164636 is an apocalyptic number.

It is an amenable number.

1061164636 is an abundant number, since it is smaller than the sum of its proper divisors (1134350084).

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

1061164636 is a wasteful number, since it uses less digits than its factorization.

1061164636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306893 (or 1306891 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 1061164636 is about 32575.5220372598. The cubic root of 1061164636 is about 1019.9861064364.

The spelling of 1061164636 in words is "one billion, sixty-one million, one hundred sixty-four thousand, six hundred thirty-six".