2081051766 has 24 divisors (see below), whose sum is σ = 4513236624. Its totient is φ = 693023760.

The previous prime is 2081051761. The next prime is 2081051767. The reversal of 2081051766 is 6671501802.

2081051766 is a `hidden beast` number, since 2 + 0 + 81 + 0 + 517 + 66 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2081051766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081051761) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35386 + ... + 73581.

It is an arithmetic number, because the mean of its divisors is an integer number (188051526).

Almost surely, 2^2081051766 is an apocalyptic number.

2081051766 is an abundant number, since it is smaller than the sum of its proper divisors (2432184858).

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

2081051766 is a wasteful number, since it uses less digits than its factorization.

2081051766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110036 (or 110033 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 2081051766 is about 45618.5462942431. The cubic root of 2081051766 is about 1276.7159806008.

The spelling of 2081051766 in words is "two billion, eighty-one million, fifty-one thousand, seven hundred sixty-six".