2662217664 has 56 divisors (see below), whose sum is σ = 7148949888. Its totient is φ = 874156800.

The previous prime is 2662217653. The next prime is 2662217669. The reversal of 2662217664 is 4667122662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2662217669) by changing a digit.

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, 90612 + ... + 116339.

Almost surely, 2^2662217664 is an apocalyptic number.

2662217664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2662217664 is an abundant number, since it is smaller than the sum of its proper divisors (4486732224).

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

2662217664 is a wasteful number, since it uses less digits than its factorization.

2662217664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207033 (or 207023 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The square root of 2662217664 is about 51596.6826840641. The cubic root of 2662217664 is about 1385.9509278845.

The spelling of 2662217664 in words is "two billion, six hundred sixty-two million, two hundred seventeen thousand, six hundred sixty-four".