6261066165 has 8 divisors (see below), whose sum is σ = 10017705888. Its totient is φ = 3339235280.

The previous prime is 6261066139. The next prime is 6261066167. The reversal of 6261066165 is 5616601626.

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

It is not a de Polignac number, because 6261066165 - 2¹⁵ = 6261033397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6261066167) 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, 208702191 + ... + 208702220.

It is an arithmetic number, because the mean of its divisors is an integer number (1252213236).

Almost surely, 2^6261066165 is an apocalyptic number.

It is an amenable number.

6261066165 is a deficient number, since it is larger than the sum of its proper divisors (3756639723).

6261066165 is a wasteful number, since it uses less digits than its factorization.

6261066165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417404419.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 6261066165 is about 79126.8991241285. The cubic root of 6261066165 is about 1843.1022576648.

The spelling of 6261066165 in words is "six billion, two hundred sixty-one million, sixty-six thousand, one hundred sixty-five".