2616643121 has 8 divisors (see below), whose sum is σ = 2761449600. Its totient is φ = 2472545520.

The previous prime is 2616643109. The next prime is 2616643147. The reversal of 2616643121 is 1213466162.

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

It is a cyclic number.

It is not a de Polignac number, because 2616643121 - 2¹⁴ = 2616626737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2616643021) by changing a digit.

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, 169625 + ... + 184406.

It is an arithmetic number, because the mean of its divisors is an integer number (345181200).

Almost surely, 2^2616643121 is an apocalyptic number.

It is an amenable number.

2616643121 is a deficient number, since it is larger than the sum of its proper divisors (144806479).

2616643121 is a wasteful number, since it uses less digits than its factorization.

2616643121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354439.

The product of its digits is 10368, while the sum is 32.

The square root of 2616643121 is about 51153.1340291091. The cubic root of 2616643121 is about 1377.9966592577.

The spelling of 2616643121 in words is "two billion, six hundred sixteen million, six hundred forty-three thousand, one hundred twenty-one".