2162120675 has 96 divisors (see below), whose sum is σ = 3353952000. Its totient is φ = 1359244800.

The previous prime is 2162120669. The next prime is 2162120677. The reversal of 2162120675 is 5760212612.

It is not a de Polignac number, because 2162120675 - 2⁴ = 2162120659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2162120677) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9441461 + ... + 9441689.

It is an arithmetic number, because the mean of its divisors is an integer number (34937000).

Almost surely, 2^2162120675 is an apocalyptic number.

2162120675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2162120675 is a deficient number, since it is larger than the sum of its proper divisors (1191831325).

2162120675 is a wasteful number, since it uses less digits than its factorization.

2162120675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 2162120675 is about 46498.6093878086. The cubic root of 2162120675 is about 1293.0837178503.

The spelling of 2162120675 in words is "two billion, one hundred sixty-two million, one hundred twenty thousand, six hundred seventy-five".