1061610165636 has 96 divisors (see below), whose sum is σ = 2656939084800. Its totient is φ = 328943928960.

The previous prime is 1061610165611. The next prime is 1061610165641. The reversal of 1061610165636 is 6365610161601.

It is a super-2 number, since 2×1061610165636² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2352391 + ... + 2767121.

It is an arithmetic number, because the mean of its divisors is an integer number (27676448800).

Almost surely, 2^{1061610165636} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1061610165636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1328469542400).

1061610165636 is an abundant number, since it is smaller than the sum of its proper divisors (1595328919164).

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

1061610165636 is a wasteful number, since it uses less digits than its factorization.

1061610165636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414969 (or 414967 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The spelling of 1061610165636 in words is "one trillion, sixty-one billion, six hundred ten million, one hundred sixty-five thousand, six hundred thirty-six".