6106699942561 has 8 divisors (see below), whose sum is σ = 6123247317000. Its totient is φ = 6090159129600.

The previous prime is 6106699942529. The next prime is 6106699942573. The reversal of 6106699942561 is 1652499966016.

It can be written as a sum of positive squares in 4 ways, for example, as 3275032187025 + 2831667755536 = 1809705^2 + 1682756^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6106699942561 - 2⁵ = 6106699942529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6106699942493 and 6106699942502.

It is not an unprimeable number, because it can be changed into a prime (6106699942501) 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, 226405 + ... + 3502093.

It is an arithmetic number, because the mean of its divisors is an integer number (765405914625).

Almost surely, 2^{6106699942561} is an apocalyptic number.

It is an amenable number.

6106699942561 is a deficient number, since it is larger than the sum of its proper divisors (16547374439).

6106699942561 is a wasteful number, since it uses less digits than its factorization.

6106699942561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3280739.

The product of its (nonzero) digits is 37791360, while the sum is 64.

The spelling of 6106699942561 in words is "six trillion, one hundred six billion, six hundred ninety-nine million, nine hundred forty-two thousand, five hundred sixty-one".