2162773008 has 160 divisors (see below), whose sum is σ = 6793850880. Its totient is φ = 653304960.

The previous prime is 2162772979. The next prime is 2162773037. The reversal of 2162773008 is 8003772612.

2162773008 is a `hidden beast` number, since 21 + 627 + 7 + 3 + 0 + 0 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (2162772979) and next prime (2162773037).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2199685 + ... + 2200667.

It is an arithmetic number, because the mean of its divisors is an integer number (42461568).

Almost surely, 2^2162773008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2162773008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3396925440).

2162773008 is an abundant number, since it is smaller than the sum of its proper divisors (4631077872).

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

2162773008 is a wasteful number, since it uses less digits than its factorization.

2162773008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474 (or 1462 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 2162773008 is about 46505.6234019070. The cubic root of 2162773008 is about 1293.2137501178.

The spelling of 2162773008 in words is "two billion, one hundred sixty-two million, seven hundred seventy-three thousand, eight".