2167772612 has 24 divisors (see below), whose sum is σ = 4021958304. Its totient is φ = 1018806912.

The previous prime is 2167772549. The next prime is 2167772617. The reversal of 2167772612 is 2162777612.

It is a self number, because there is not a number n which added to its sum of digits gives 2167772612.

It is not an unprimeable number, because it can be changed into a prime (2167772617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33263 + ... + 73769.

It is an arithmetic number, because the mean of its divisors is an integer number (167581596).

Almost surely, 2^2167772612 is an apocalyptic number.

It is an amenable number.

2167772612 is a deficient number, since it is larger than the sum of its proper divisors (1854185692).

2167772612 is a wasteful number, since it uses less digits than its factorization.

2167772612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41315 (or 41313 counting only the distinct ones).

The product of its digits is 98784, while the sum is 41.

The square root of 2167772612 is about 46559.3450555310. The cubic root of 2167772612 is about 1294.2094750410.

The spelling of 2167772612 in words is "two billion, one hundred sixty-seven million, seven hundred seventy-two thousand, six hundred twelve".