61165650636 has 48 divisors (see below), whose sum is σ = 158619848800. Its totient is φ = 20383119936.

The previous prime is 61165650583. The next prime is 61165650673. The reversal of 61165650636 is 63605656116.

61165650636 is a `hidden beast` number, since 6 + 1 + 1 + 6 + 5 + 6 + 5 + 0 + 636 = 666.

61165650636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×61165650636³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61165650591 and 61165650600.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342630 + ... + 489618.

Almost surely, 2^61165650636 is an apocalyptic number.

It is an amenable number.

61165650636 is an abundant number, since it is smaller than the sum of its proper divisors (97454198164).

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

61165650636 is a wasteful number, since it uses less digits than its factorization.

61165650636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150855 (or 150847 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The spelling of 61165650636 in words is "sixty-one billion, one hundred sixty-five million, six hundred fifty thousand, six hundred thirty-six".