5660621642 has 16 divisors (see below), whose sum is σ = 9229544352. Its totient is φ = 2588176560.

The previous prime is 5660621623. The next prime is 5660621647. The reversal of 5660621642 is 2461260665.

It is a junction number, because it is equal to n+sod(n) for n = 5660621596 and 5660621605.

It is not an unprimeable number, because it can be changed into a prime (5660621647) 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, 1014584 + ... + 1020147.

It is an arithmetic number, because the mean of its divisors is an integer number (576846522).

Almost surely, 2^5660621642 is an apocalyptic number.

5660621642 is a deficient number, since it is larger than the sum of its proper divisors (3568922710).

5660621642 is a wasteful number, since it uses less digits than its factorization.

5660621642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034853.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 5660621642 is about 75237.1028283253. The cubic root of 5660621642 is about 1782.1928999294.

The spelling of 5660621642 in words is "five billion, six hundred sixty million, six hundred twenty-one thousand, six hundred forty-two".