5661873570 has 64 divisors (see below), whose sum is σ = 13972642560. Its totient is φ = 1467249408.

The previous prime is 5661873521. The next prime is 5661873577. The reversal of 5661873570 is 753781665.

It is not an unprimeable number, because it can be changed into a prime (5661873577) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1088536 + ... + 1093724.

It is an arithmetic number, because the mean of its divisors is an integer number (218322540).

Almost surely, 2^5661873570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5661873570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6986321280).

5661873570 is an abundant number, since it is smaller than the sum of its proper divisors (8310768990).

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

5661873570 is a wasteful number, since it uses less digits than its factorization.

5661873570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6219.

The product of its (nonzero) digits is 1058400, while the sum is 48.

The square root of 5661873570 is about 75245.4222527856. The cubic root of 5661873570 is about 1782.3242761202.

The spelling of 5661873570 in words is "five billion, six hundred sixty-one million, eight hundred seventy-three thousand, five hundred seventy".