2065176660 has 72 divisors (see below), whose sum is σ = 6142701600. Its totient is φ = 518314496.

The previous prime is 2065176649. The next prime is 2065176661. The reversal of 2065176660 is 666715602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065176661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42210 + ... + 76889.

It is an arithmetic number, because the mean of its divisors is an integer number (85315300).

Almost surely, 2^2065176660 is an apocalyptic number.

2065176660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2065176660 is an abundant number, since it is smaller than the sum of its proper divisors (4077524940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2065176660 is a wasteful number, since it uses less digits than its factorization.

2065176660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119145 (or 119126 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 2065176660 is about 45444.2148133291. The cubic root of 2065176660 is about 1273.4612548097.

The spelling of 2065176660 in words is "two billion, sixty-five million, one hundred seventy-six thousand, six hundred sixty".