2662721766122 has 32 divisors (see below), whose sum is σ = 4413263145984. Its totient is φ = 1194773439600.

The previous prime is 2662721766109. The next prime is 2662721766139. The reversal of 2662721766122 is 2216671272662.

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, 1655513 + ... + 2840099.

It is an arithmetic number, because the mean of its divisors is an integer number (137914473312).

Almost surely, 2^{2662721766122} is an apocalyptic number.

2662721766122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2662721766122 is a deficient number, since it is larger than the sum of its proper divisors (1750541379862).

2662721766122 is a wasteful number, since it uses less digits than its factorization.

2662721766122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185914.

The product of its digits is 2032128, while the sum is 50.

The spelling of 2662721766122 in words is "two trillion, six hundred sixty-two billion, seven hundred twenty-one million, seven hundred sixty-six thousand, one hundred twenty-two".