6261165355 has 8 divisors (see below), whose sum is σ = 7636569264. Its totient is φ = 4926818400.

The previous prime is 6261165353. The next prime is 6261165377. The reversal of 6261165355 is 5535611626.

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

It is not a de Polignac number, because 6261165355 - 2¹ = 6261165353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6261165353) 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, 10263901 + ... + 10264510.

It is an arithmetic number, because the mean of its divisors is an integer number (954571158).

Almost surely, 2^6261165355 is an apocalyptic number.

6261165355 is a deficient number, since it is larger than the sum of its proper divisors (1375403909).

6261165355 is a wasteful number, since it uses less digits than its factorization.

6261165355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20528477.

The product of its digits is 162000, while the sum is 40.

The square root of 6261165355 is about 79127.5258996514. The cubic root of 6261165355 is about 1843.1119906369. Note that the first 3 decimals are identical.

The spelling of 6261165355 in words is "six billion, two hundred sixty-one million, one hundred sixty-five thousand, three hundred fifty-five".