2662791672 has 16 divisors (see below), whose sum is σ = 6656979240. Its totient is φ = 887597216.

The previous prime is 2662791671. The next prime is 2662791679. The reversal of 2662791672 is 2761972662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2662791671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55474803 + ... + 55474850.

Almost surely, 2^2662791672 is an apocalyptic number.

It is an amenable number.

2662791672 is an abundant number, since it is smaller than the sum of its proper divisors (3994187568).

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

2662791672 is a wasteful number, since it uses less digits than its factorization.

2662791672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110949662 (or 110949658 counting only the distinct ones).

The product of its digits is 762048, while the sum is 48.

The square root of 2662791672 is about 51602.2448348907. The cubic root of 2662791672 is about 1386.0505302776.

The spelling of 2662791672 in words is "two billion, six hundred sixty-two million, seven hundred ninety-one thousand, six hundred seventy-two".