5660221835 has 4 divisors (see below), whose sum is σ = 6792266208. Its totient is φ = 4528177464.

The previous prime is 5660221811. The next prime is 5660221837. The reversal of 5660221835 is 5381220665.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5660221835 - 2¹⁸ = 5659959691 is a prime.

It is a super-2 number, since 2×5660221835² = 64076222442821534450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5660221837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566022179 + ... + 566022188.

It is an arithmetic number, because the mean of its divisors is an integer number (1698066552).

Almost surely, 2^5660221835 is an apocalyptic number.

5660221835 is a deficient number, since it is larger than the sum of its proper divisors (1132044373).

5660221835 is a wasteful number, since it uses less digits than its factorization.

5660221835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132044372.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 5660221835 is about 75234.4458011089. The cubic root of 5660221835 is about 1782.1509404641.

The spelling of 5660221835 in words is "five billion, six hundred sixty million, two hundred twenty-one thousand, eight hundred thirty-five".