2290487921766 has 36 divisors (see below), whose sum is σ = 5454894794076. Its totient is φ = 694087248360.

The previous prime is 2290487921759. The next prime is 2290487921783. The reversal of 2290487921766 is 6671297840922.

2290487921766 is a `hidden beast` number, since 2 + 2 + 9 + 0 + 487 + 92 + 1 + 7 + 66 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 525821496 + ... + 525825851.

It is an arithmetic number, because the mean of its divisors is an integer number (151524855391).

Almost surely, 2^{2290487921766} is an apocalyptic number.

2290487921766 is an abundant number, since it is smaller than the sum of its proper divisors (3164406872310).

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

2290487921766 is a wasteful number, since it uses less digits than its factorization.

2290487921766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051647377 (or 1051647363 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 63.

The spelling of 2290487921766 in words is "two trillion, two hundred ninety billion, four hundred eighty-seven million, nine hundred twenty-one thousand, seven hundred sixty-six".