10661560050 has 96 divisors (see below), whose sum is σ = 27189759744. Its totient is φ = 2763072000.

The previous prime is 10661560037. The next prime is 10661560109. The reversal of 10661560050 is 5006516601.

It is a super-2 number, since 2×10661560050² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1663452 + ... + 1669848.

It is an arithmetic number, because the mean of its divisors is an integer number (283226664).

Almost surely, 2^10661560050 is an apocalyptic number.

10661560050 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 10661560050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13594879872).

10661560050 is an abundant number, since it is smaller than the sum of its proper divisors (16528199694).

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

10661560050 is a wasteful number, since it uses less digits than its factorization.

10661560050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6724 (or 6719 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The spelling of 10661560050 in words is "ten billion, six hundred sixty-one million, five hundred sixty thousand, fifty".