2620861466 has 8 divisors (see below), whose sum is σ = 3948921984. Its totient is φ = 1304554140.

The previous prime is 2620861421. The next prime is 2620861493. The reversal of 2620861466 is 6641680262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2937740 + ... + 2938631.

It is an arithmetic number, because the mean of its divisors is an integer number (493615248).

Almost surely, 2^2620861466 is an apocalyptic number.

2620861466 is a deficient number, since it is larger than the sum of its proper divisors (1328060518).

2620861466 is a wasteful number, since it uses less digits than its factorization.

2620861466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5876596.

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 2620861466 is about 51194.3499421567. The cubic root of 2620861466 is about 1378.7367607495.

The spelling of 2620861466 in words is "two billion, six hundred twenty million, eight hundred sixty-one thousand, four hundred sixty-six".