2661646614 has 32 divisors (see below), whose sum is σ = 5861517696. Its totient is φ = 799019520.

The previous prime is 2661646609. The next prime is 2661646661. The reversal of 2661646614 is 4166461662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181387 + ... + 195510.

It is an arithmetic number, because the mean of its divisors is an integer number (183172428).

Almost surely, 2^2661646614 is an apocalyptic number.

2661646614 is an abundant number, since it is smaller than the sum of its proper divisors (3199871082).

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

2661646614 is a wasteful number, since it uses less digits than its factorization.

2661646614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377020.

The product of its digits is 248832, while the sum is 42.

The square root of 2661646614 is about 51591.1486012862. The cubic root of 2661646614 is about 1385.8518245588.

The spelling of 2661646614 in words is "two billion, six hundred sixty-one million, six hundred forty-six thousand, six hundred fourteen".