2665606195 has 32 divisors (see below), whose sum is σ = 3797176320. Its totient is φ = 1757616000.

The previous prime is 2665606187. The next prime is 2665606217. The reversal of 2665606195 is 5916065662.

It is a happy number.

It is not a de Polignac number, because 2665606195 - 2³ = 2665606187 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 249534 + ... + 259996.

It is an arithmetic number, because the mean of its divisors is an integer number (118661760).

Almost surely, 2^2665606195 is an apocalyptic number.

2665606195 is a deficient number, since it is larger than the sum of its proper divisors (1131570125).

2665606195 is a wasteful number, since it uses less digits than its factorization.

2665606195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10755.

The product of its (nonzero) digits is 583200, while the sum is 46.

The square root of 2665606195 is about 51629.5089556351. The cubic root of 2665606195 is about 1386.5387018320.

The spelling of 2665606195 in words is "two billion, six hundred sixty-five million, six hundred six thousand, one hundred ninety-five".