6216162066 has 24 divisors (see below), whose sum is σ = 13574406144. Its totient is φ = 2055737880.

The previous prime is 6216162053. The next prime is 6216162103. The reversal of 6216162066 is 6602616126.

It is a happy number.

6216162066 is a `hidden beast` number, since 6 + 21 + 6 + 1 + 620 + 6 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 6216162066.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1357330 + ... + 1361901.

It is an arithmetic number, because the mean of its divisors is an integer number (565600256).

Almost surely, 2^6216162066 is an apocalyptic number.

6216162066 is an abundant number, since it is smaller than the sum of its proper divisors (7358244078).

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

6216162066 is a wasteful number, since it uses less digits than its factorization.

6216162066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2719366 (or 2719363 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 6216162066 is about 78842.6411658057. The cubic root of 6216162066 is about 1838.6854648804.

The spelling of 6216162066 in words is "six billion, two hundred sixteen million, one hundred sixty-two thousand, sixty-six".