2616231646 has 32 divisors (see below), whose sum is σ = 4700187648. Its totient is φ = 1067858880.

The previous prime is 2616231637. The next prime is 2616231647. The reversal of 2616231646 is 6461326162.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2616231647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57591 + ... + 92461.

It is an arithmetic number, because the mean of its divisors is an integer number (146880864).

Almost surely, 2^2616231646 is an apocalyptic number.

2616231646 is a deficient number, since it is larger than the sum of its proper divisors (2083956002).

2616231646 is a wasteful number, since it uses less digits than its factorization.

2616231646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35136.

The product of its digits is 62208, while the sum is 37.

The square root of 2616231646 is about 51149.1118788978. Note that the first 3 decimals coincide. The cubic root of 2616231646 is about 1377.9244240983.

The spelling of 2616231646 in words is "two billion, six hundred sixteen million, two hundred thirty-one thousand, six hundred forty-six".