6126066221 has 16 divisors (see below), whose sum is σ = 6759417600. Its totient is φ = 5505624000.

The previous prime is 6126066197. The next prime is 6126066239. The reversal of 6126066221 is 1226606216.

6126066221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 6126066221 - 2⁶ = 6126066157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6126066281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 794975 + ... + 802643.

It is an arithmetic number, because the mean of its divisors is an integer number (422463600).

Almost surely, 2^6126066221 is an apocalyptic number.

It is an amenable number.

6126066221 is a deficient number, since it is larger than the sum of its proper divisors (633351379).

6126066221 is a wasteful number, since it uses less digits than its factorization.

6126066221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8500.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 6126066221 is about 78269.1907521727. The cubic root of 6126066221 is about 1829.7590156161.

The spelling of 6126066221 in words is "six billion, one hundred twenty-six million, sixty-six thousand, two hundred twenty-one".