2006742688722 has 16 divisors (see below), whose sum is σ = 4459428197280. Its totient is φ = 668914229556.

The previous prime is 2006742688679. The next prime is 2006742688723. The reversal of 2006742688722 is 2278862476002.

2006742688722 is a `hidden beast` number, since 200 + 6 + 7 + 426 + 8 + 8 + 7 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 37161901643 = 2006742688722 / (2 + 0 + 0 + 6 + 7 + 4 + 2 + 6 + 8 + 8 + 7 + 2 + 2).

It is not an unprimeable number, because it can be changed into a prime (2006742688723) 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, 18580950768 + ... + 18580950875.

It is an arithmetic number, because the mean of its divisors is an integer number (278714262330).

Almost surely, 2^{2006742688722} is an apocalyptic number.

2006742688722 is an abundant number, since it is smaller than the sum of its proper divisors (2452685508558).

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

2006742688722 is a wasteful number, since it uses less digits than its factorization.

2006742688722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37161901654 (or 37161901648 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 54.

The spelling of 2006742688722 in words is "two trillion, six billion, seven hundred forty-two million, six hundred eighty-eight thousand, seven hundred twenty-two".