2160863761 has 8 divisors (see below), whose sum is σ = 2614826880. Its totient is φ = 1743217728.

The previous prime is 2160863743. The next prime is 2160863767. The reversal of 2160863761 is 1673680612.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2160863761 - 2¹¹ = 2160861713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2160863767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9079141 + ... + 9079378.

It is an arithmetic number, because the mean of its divisors is an integer number (326853360).

Almost surely, 2^2160863761 is an apocalyptic number.

It is an amenable number.

2160863761 is a deficient number, since it is larger than the sum of its proper divisors (453963119).

2160863761 is a wasteful number, since it uses less digits than its factorization.

2160863761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18158543.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 2160863761 is about 46485.0918144732. The cubic root of 2160863761 is about 1292.8330981547.

The spelling of 2160863761 in words is "two billion, one hundred sixty million, eight hundred sixty-three thousand, seven hundred sixty-one".