2160171651 has 16 divisors (see below), whose sum is σ = 3143289600. Its totient is φ = 1308685920.

The previous prime is 2160171649. The next prime is 2160171677. The reversal of 2160171651 is 1561710612.

It is not a de Polignac number, because 2160171651 - 2¹ = 2160171649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2160171631) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 84525 + ... + 107073.

It is an arithmetic number, because the mean of its divisors is an integer number (196455600).

Almost surely, 2^2160171651 is an apocalyptic number.

2160171651 is a deficient number, since it is larger than the sum of its proper divisors (983117949).

2160171651 is a wasteful number, since it uses less digits than its factorization.

2160171651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25466.

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 2160171651 is about 46477.6467885370. The cubic root of 2160171651 is about 1292.6950548593.

The spelling of 2160171651 in words is "two billion, one hundred sixty million, one hundred seventy-one thousand, six hundred fifty-one".