2662791662 has 4 divisors (see below), whose sum is σ = 3994187496. Its totient is φ = 1331395830.

The previous prime is 2662791647. The next prime is 2662791667. The reversal of 2662791662 is 2661972662.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2662791667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665697914 + ... + 665697917.

It is an arithmetic number, because the mean of its divisors is an integer number (998546874).

Almost surely, 2^2662791662 is an apocalyptic number.

2662791662 is a deficient number, since it is larger than the sum of its proper divisors (1331395834).

2662791662 is a wasteful number, since it uses less digits than its factorization.

2662791662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331395833.

The product of its digits is 653184, while the sum is 47.

The square root of 2662791662 is about 51602.2447379957. The cubic root of 2662791662 is about 1386.0505285425.

The spelling of 2662791662 in words is "two billion, six hundred sixty-two million, seven hundred ninety-one thousand, six hundred sixty-two".