4223161615656 has 32 divisors (see below), whose sum is σ = 10558073816640. Its totient is φ = 1407697901568.

The previous prime is 4223161615583. The next prime is 4223161615663. The reversal of 4223161615656 is 6565161613224.

It is a happy number.

It is a super-3 number, since 3×4223161615656³ (a number of 39 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143805 + ... + 2909811.

It is an arithmetic number, because the mean of its divisors is an integer number (329939806770).

Almost surely, 2^{4223161615656} is an apocalyptic number.

It is an amenable number.

4223161615656 is an abundant number, since it is smaller than the sum of its proper divisors (6334912200984).

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

4223161615656 is a wasteful number, since it uses less digits than its factorization.

4223161615656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2829633 (or 2829629 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 48.

The spelling of 4223161615656 in words is "four trillion, two hundred twenty-three billion, one hundred sixty-one million, six hundred fifteen thousand, six hundred fifty-six".