220816257423659 has 8 divisors (see below), whose sum is σ = 222986513148672. Its totient is φ = 218646509555880.

The previous prime is 220816257423653. The next prime is 220816257423677. The reversal of 220816257423659 is 956324752618022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220816257423659 - 2⁴⁴ = 203224071379243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220816257423653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126090407 + ... + 127829664.

It is an arithmetic number, because the mean of its divisors is an integer number (27873314143584).

It is a 1-persistent number, because it is pandigital, but 2⋅220816257423659 = 441632514847318 is not.

Almost surely, 2^{220816257423659} is an apocalyptic number.

220816257423659 is a deficient number, since it is larger than the sum of its proper divisors (2170255725013).

220816257423659 is a wasteful number, since it uses less digits than its factorization.

220816257423659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253928617.

The product of its (nonzero) digits is 87091200, while the sum is 62.

The spelling of 220816257423659 in words is "two hundred twenty trillion, eight hundred sixteen billion, two hundred fifty-seven million, four hundred twenty-three thousand, six hundred fifty-nine".