2220164515506 has 64 divisors (see below), whose sum is σ = 5375773393920. Its totient is φ = 597119065920.

The previous prime is 2220164515451. The next prime is 2220164515519. The reversal of 2220164515506 is 6055154610222.

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 31 ways as a sum of consecutive naturals, for example, 8735100 + ... + 8985671.

It is an arithmetic number, because the mean of its divisors is an integer number (83996459280).

Almost surely, 2^{2220164515506} is an apocalyptic number.

2220164515506 is an abundant number, since it is smaller than the sum of its proper divisors (3155608878414).

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

2220164515506 is a wasteful number, since it uses less digits than its factorization.

2220164515506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17720959.

The product of its (nonzero) digits is 144000, while the sum is 39.

The spelling of 2220164515506 in words is "two trillion, two hundred twenty billion, one hundred sixty-four million, five hundred fifteen thousand, five hundred six".