2162073618 has 48 divisors (see below), whose sum is σ = 4783484160. Its totient is φ = 705621312.

The previous prime is 2162073581. The next prime is 2162073637. The reversal of 2162073618 is 8163702612.

2162073618 is a `hidden beast` number, since 2 + 16 + 20 + 7 + 3 + 618 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 158455 + ... + 171557.

It is an arithmetic number, because the mean of its divisors is an integer number (99655920).

Almost surely, 2^2162073618 is an apocalyptic number.

2162073618 is an abundant number, since it is smaller than the sum of its proper divisors (2621410542).

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

2162073618 is a wasteful number, since it uses less digits than its factorization.

2162073618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13303 (or 13300 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2162073618 is about 46498.1033806756. The cubic root of 2162073618 is about 1293.0743367701.

The spelling of 2162073618 in words is "two billion, one hundred sixty-two million, seventy-three thousand, six hundred eighteen".