2180238616 has 32 divisors (see below), whose sum is σ = 4221990000. Its totient is φ = 1054705536.

The previous prime is 2180238547. The next prime is 2180238721. The reversal of 2180238616 is 6168320812.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32410 + ... + 73558.

Almost surely, 2^2180238616 is an apocalyptic number.

It is an amenable number.

2180238616 is a deficient number, since it is larger than the sum of its proper divisors (2041751384).

2180238616 is a wasteful number, since it uses less digits than its factorization.

2180238616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41371 (or 41367 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 2180238616 is about 46693.0253464048. The cubic root of 2180238616 is about 1296.6855639079.

The spelling of 2180238616 in words is "two billion, one hundred eighty million, two hundred thirty-eight thousand, six hundred sixteen".