6616456662 has 16 divisors (see below), whose sum is σ = 13689221040. Its totient is φ = 2129434272.

The previous prime is 6616456603. The next prime is 6616456663. The reversal of 6616456662 is 2666546166.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6616456663) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 19012633 + ... + 19012980.

It is an arithmetic number, because the mean of its divisors is an integer number (855576315).

Almost surely, 2^6616456662 is an apocalyptic number.

6616456662 is an abundant number, since it is smaller than the sum of its proper divisors (7072764378).

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

6616456662 is a wasteful number, since it uses less digits than its factorization.

6616456662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38025647.

The product of its digits is 1866240, while the sum is 48.

The square root of 6616456662 is about 81341.6047419769. The cubic root of 6616456662 is about 1877.3352035700.

The spelling of 6616456662 in words is "six billion, six hundred sixteen million, four hundred fifty-six thousand, six hundred sixty-two".