2668801632 has 48 divisors (see below), whose sum is σ = 8006406912. Its totient is φ = 762514560.

The previous prime is 2668801631. The next prime is 2668801657. The reversal of 2668801632 is 2361088662.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668801631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1985044 + ... + 1986387.

It is an arithmetic number, because the mean of its divisors is an integer number (166800144).

Almost surely, 2^2668801632 is an apocalyptic number.

It is an amenable number.

2668801632 is an abundant number, since it is smaller than the sum of its proper divisors (5337605280).

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

2668801632 is a wasteful number, since it uses less digits than its factorization.

2668801632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3971451 (or 3971443 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 2668801632 is about 51660.4455265341. The cubic root of 2668801632 is about 1387.0925255539.

The spelling of 2668801632 in words is "two billion, six hundred sixty-eight million, eight hundred one thousand, six hundred thirty-two".