2212521162664 has 16 divisors (see below), whose sum is σ = 4149023937300. Its totient is φ = 1106114779392.

The previous prime is 2212521162637. The next prime is 2212521162689. The reversal of 2212521162664 is 4662611252122.

It can be written as a sum of positive squares in 2 ways, for example, as 1626466608900 + 586054553764 = 1275330^2 + 765542^2 .

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 3 ways as a sum of consecutive naturals, for example, 18160737 + ... + 18282160.

Almost surely, 2^{2212521162664} is an apocalyptic number.

It is an amenable number.

2212521162664 is a deficient number, since it is larger than the sum of its proper divisors (1936502774636).

2212521162664 is a wasteful number, since it uses less digits than its factorization.

2212521162664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36450492 (or 36450488 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The spelling of 2212521162664 in words is "two trillion, two hundred twelve billion, five hundred twenty-one million, one hundred sixty-two thousand, six hundred sixty-four".