2160520475 has 6 divisors (see below), whose sum is σ = 2679045420. Its totient is φ = 1728416360.

The previous prime is 2160520471. The next prime is 2160520499. The reversal of 2160520475 is 5740250612.

It is not a de Polignac number, because 2160520475 - 2² = 2160520471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2160520471) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43210385 + ... + 43210434.

It is an arithmetic number, because the mean of its divisors is an integer number (446507570).

Almost surely, 2^2160520475 is an apocalyptic number.

2160520475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2160520475 is a deficient number, since it is larger than the sum of its proper divisors (518524945).

2160520475 is an equidigital number, since it uses as much as digits as its factorization.

2160520475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86420829 (or 86420824 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 2160520475 is about 46481.3992366839. The cubic root of 2160520475 is about 1292.7646324767.

The spelling of 2160520475 in words is "two billion, one hundred sixty million, five hundred twenty thousand, four hundred seventy-five".