6122640066 has 64 divisors (see below), whose sum is σ = 14241484800. Its totient is φ = 1740600576.

The previous prime is 6122640061. The next prime is 6122640079. The reversal of 6122640066 is 6600462216.

It is not an unprimeable number, because it can be changed into a prime (6122640061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24106 + ... + 113253.

It is an arithmetic number, because the mean of its divisors is an integer number (222523200).

Almost surely, 2^6122640066 is an apocalyptic number.

6122640066 is an abundant number, since it is smaller than the sum of its proper divisors (8118844734).

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

6122640066 is a wasteful number, since it uses less digits than its factorization.

6122640066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137423.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 6122640066 is about 78247.3006946566. The cubic root of 6122640066 is about 1829.4178392482.

The spelling of 6122640066 in words is "six billion, one hundred twenty-two million, six hundred forty thousand, sixty-six".