2664049906602 has 96 divisors (see below), whose sum is σ = 6676949111040. Its totient is φ = 751912761600.

The previous prime is 2664049906589. The next prime is 2664049906621. The reversal of 2664049906602 is 2066099404662.

2664049906602 is a `hidden beast` number, since 26 + 6 + 4 + 0 + 4 + 9 + 9 + 0 + 6 + 602 = 666.

It is a super-2 number, since 2×2664049906602² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 12148227 + ... + 12365577.

It is an arithmetic number, because the mean of its divisors is an integer number (69551553240).

Almost surely, 2^{2664049906602} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2664049906602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3338474555520).

2664049906602 is an abundant number, since it is smaller than the sum of its proper divisors (4012899204438).

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

2664049906602 is a wasteful number, since it uses less digits than its factorization.

2664049906602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218548 (or 218545 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 54.

The spelling of 2664049906602 in words is "two trillion, six hundred sixty-four billion, forty-nine million, nine hundred six thousand, six hundred two".