6154332261 has 16 divisors (see below), whose sum is σ = 10230578688. Its totient is φ = 3197055600.

The previous prime is 6154332251. The next prime is 6154332277. The reversal of 6154332261 is 1622334516.

It is not a de Polignac number, because 6154332261 - 2⁵ = 6154332229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6154332241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13320835 + ... + 13321296.

It is an arithmetic number, because the mean of its divisors is an integer number (639411168).

Almost surely, 2^6154332261 is an apocalyptic number.

It is an amenable number.

6154332261 is a deficient number, since it is larger than the sum of its proper divisors (4076246427).

6154332261 is a wasteful number, since it uses less digits than its factorization.

6154332261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26642152.

The product of its digits is 25920, while the sum is 33.

The square root of 6154332261 is about 78449.5523314187. The cubic root of 6154332261 is about 1832.5689046204.

Adding to 6154332261 its reverse (1622334516), we get a palindrome (7776666777).

The spelling of 6154332261 in words is "six billion, one hundred fifty-four million, three hundred thirty-two thousand, two hundred sixty-one".