6099421660 has 12 divisors (see below), whose sum is σ = 12808785528. Its totient is φ = 2439768656.

The previous prime is 6099421649. The next prime is 6099421693. The reversal of 6099421660 is 661249906.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152485522 + ... + 152485561.

It is an arithmetic number, because the mean of its divisors is an integer number (1067398794).

Almost surely, 2^6099421660 is an apocalyptic number.

It is an amenable number.

6099421660 is an abundant number, since it is smaller than the sum of its proper divisors (6709363868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6099421660 is a wasteful number, since it uses less digits than its factorization.

6099421660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304971092 (or 304971090 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 6099421660 is about 78098.7942288484. The cubic root of 6099421660 is about 1827.1023907875.

The spelling of 6099421660 in words is "six billion, ninety-nine million, four hundred twenty-one thousand, six hundred sixty".