2160981620 has 24 divisors (see below), whose sum is σ = 5186356224. Its totient is φ = 740907936.

The previous prime is 2160981611. The next prime is 2160981649. The reversal of 2160981620 is 261890612.

2160981620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 7717652 + ... + 7717931.

It is an arithmetic number, because the mean of its divisors is an integer number (216098176).

Almost surely, 2^2160981620 is an apocalyptic number.

2160981620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2160981620 is an abundant number, since it is smaller than the sum of its proper divisors (3025374604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2160981620 is a wasteful number, since it uses less digits than its factorization.

2160981620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15435599 (or 15435597 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 2160981620 is about 46486.3595046977. The cubic root of 2160981620 is about 1292.8566025280.

The spelling of 2160981620 in words is "two billion, one hundred sixty million, nine hundred eighty-one thousand, six hundred twenty".