5661595394 has 16 divisors (see below), whose sum is σ = 10452176448. Its totient is φ = 2239751952.

The previous prime is 5661595393. The next prime is 5661595397. The reversal of 5661595394 is 4935951665.

It is not an unprimeable number, because it can be changed into a prime (5661595393) 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, 15553652 + ... + 15554015.

It is an arithmetic number, because the mean of its divisors is an integer number (653261028).

Almost surely, 2^5661595394 is an apocalyptic number.

5661595394 is a deficient number, since it is larger than the sum of its proper divisors (4790581054).

5661595394 is a wasteful number, since it uses less digits than its factorization.

5661595394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31107689.

The product of its digits is 4374000, while the sum is 53.

The square root of 5661595394 is about 75243.5737721169. The cubic root of 5661595394 is about 1782.2950862563.

The spelling of 5661595394 in words is "five billion, six hundred sixty-one million, five hundred ninety-five thousand, three hundred ninety-four".