2660890562 has 16 divisors (see below), whose sum is σ = 4543497792. Its totient is φ = 1156908720.

The previous prime is 2660890559. The next prime is 2660890591. The reversal of 2660890562 is 2650980662.

It is a super-3 number, since 3×2660890562³ (a number of 29 digits) contains 333 as substring.

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, 2628833 + ... + 2629844.

It is an arithmetic number, because the mean of its divisors is an integer number (283968612).

Almost surely, 2^2660890562 is an apocalyptic number.

2660890562 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2660890562 is a deficient number, since it is larger than the sum of its proper divisors (1882607230).

2660890562 is a wasteful number, since it uses less digits than its factorization.

2660890562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5258713.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 2660890562 is about 51583.8207386774. The cubic root of 2660890562 is about 1385.7205931045.

The spelling of 2660890562 in words is "two billion, six hundred sixty million, eight hundred ninety thousand, five hundred sixty-two".