10050661664 has 48 divisors (see below), whose sum is σ = 21024019800. Its totient is φ = 4729649152.

The previous prime is 10050661597. The next prime is 10050661669. The reversal of 10050661664 is 46616605001.

It can be written as a sum of positive squares in 4 ways, for example, as 7079539600 + 2971122064 = 84140^2 + 54508^2 .

It is not an unprimeable number, because it can be changed into a prime (10050661669) 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, 125252 + ... + 189180.

Almost surely, 2^10050661664 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 10050661664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10512009900).

10050661664 is an abundant number, since it is smaller than the sum of its proper divisors (10973358136).

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

10050661664 is an frugal number, since it uses more digits than its factorization.

10050661664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63990 (or 63948 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 10050661664 in words is "ten billion, fifty million, six hundred sixty-one thousand, six hundred sixty-four".