2566673390 has 16 divisors (see below), whose sum is σ = 4732696080. Its totient is φ = 1001628480.

The previous prime is 2566673363. The next prime is 2566673441. The reversal of 2566673390 is 933766652.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3129680 + ... + 3130499.

It is an arithmetic number, because the mean of its divisors is an integer number (295793505).

Almost surely, 2^2566673390 is an apocalyptic number.

2566673390 is a deficient number, since it is larger than the sum of its proper divisors (2166022690).

2566673390 is a wasteful number, since it uses less digits than its factorization.

2566673390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6260227.

The product of its (nonzero) digits is 1224720, while the sum is 47.

The square root of 2566673390 is about 50662.3468662872. The cubic root of 2566673390 is about 1369.1684068262.

The spelling of 2566673390 in words is "two billion, five hundred sixty-six million, six hundred seventy-three thousand, three hundred ninety".