2661413506 has 8 divisors (see below), whose sum is σ = 4000122000. Its totient is φ = 1328039508.

The previous prime is 2661413473. The next prime is 2661413537. The reversal of 2661413506 is 6053141662.

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

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, 1332376 + ... + 1334371.

It is an arithmetic number, because the mean of its divisors is an integer number (500015250).

Almost surely, 2^2661413506 is an apocalyptic number.

2661413506 is a deficient number, since it is larger than the sum of its proper divisors (1338708494).

2661413506 is a wasteful number, since it uses less digits than its factorization.

2661413506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2667248.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 2661413506 is about 51588.8893658315. The cubic root of 2661413506 is about 1385.8113655716.

The spelling of 2661413506 in words is "two billion, six hundred sixty-one million, four hundred thirteen thousand, five hundred six".