5661015838 has 8 divisors (see below), whose sum is σ = 8938446120. Its totient is φ = 2681533800.

The previous prime is 5661015707. The next prime is 5661015851. The reversal of 5661015838 is 8385101665.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 5661015794 and 5661015803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74487013 + ... + 74487088.

It is an arithmetic number, because the mean of its divisors is an integer number (1117305765).

Almost surely, 2^5661015838 is an apocalyptic number.

5661015838 is a deficient number, since it is larger than the sum of its proper divisors (3277430282).

5661015838 is a wasteful number, since it uses less digits than its factorization.

5661015838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148974122.

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 5661015838 is about 75239.7224742356. The cubic root of 5661015838 is about 1782.2342685899.

The spelling of 5661015838 in words is "five billion, six hundred sixty-one million, fifteen thousand, eight hundred thirty-eight".