2650164861 has 8 divisors (see below), whose sum is σ = 3534280000. Its totient is φ = 1766413152.

The previous prime is 2650164823. The next prime is 2650164877. The reversal of 2650164861 is 1684610562.

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 2650164861 - 2⁷ = 2650164733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2650168861) 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, 73360 + ... + 103353.

It is an arithmetic number, because the mean of its divisors is an integer number (441785000).

Almost surely, 2^2650164861 is an apocalyptic number.

It is an amenable number.

2650164861 is a deficient number, since it is larger than the sum of its proper divisors (884115139).

2650164861 is a wasteful number, since it uses less digits than its factorization.

2650164861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181715.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 2650164861 is about 51479.7519516169. The cubic root of 2650164861 is about 1383.8561998024.

The spelling of 2650164861 in words is "two billion, six hundred fifty million, one hundred sixty-four thousand, eight hundred sixty-one".