3833116656261 has 4 divisors (see below), whose sum is σ = 5110822208352. Its totient is φ = 2555411104172.

The previous prime is 3833116656227. The next prime is 3833116656311. The reversal of 3833116656261 is 1626566113383.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3833116656261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3833116656661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638852776041 + ... + 638852776046.

It is an arithmetic number, because the mean of its divisors is an integer number (1277705552088).

Almost surely, 2^{3833116656261} is an apocalyptic number.

It is an amenable number.

3833116656261 is a deficient number, since it is larger than the sum of its proper divisors (1277705552091).

3833116656261 is a wasteful number, since it uses less digits than its factorization.

3833116656261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277705552090.

The product of its digits is 2799360, while the sum is 51.

The spelling of 3833116656261 in words is "three trillion, eight hundred thirty-three billion, one hundred sixteen million, six hundred fifty-six thousand, two hundred sixty-one".