5661365534 has 16 divisors (see below), whose sum is σ = 9808997616. Its totient is φ = 2421974400.

The previous prime is 5661365519. The next prime is 5661365543. The reversal of 5661365534 is 4355631665.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7568297 + ... + 7569044.

It is an arithmetic number, because the mean of its divisors is an integer number (613062351).

Almost surely, 2^5661365534 is an apocalyptic number.

5661365534 is a deficient number, since it is larger than the sum of its proper divisors (4147632082).

5661365534 is a wasteful number, since it uses less digits than its factorization.

5661365534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15137371.

The product of its digits is 972000, while the sum is 44.

The square root of 5661365534 is about 75242.0463172022. The cubic root of 5661365534 is about 1782.2709656174.

The spelling of 5661365534 in words is "five billion, six hundred sixty-one million, three hundred sixty-five thousand, five hundred thirty-four".