6101660155661 has 8 divisors (see below), whose sum is σ = 7041028086144. Its totient is φ = 5179217773680.

The previous prime is 6101660155631. The next prime is 6101660155699. The reversal of 6101660155661 is 1665510661016.

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 6101660155661 - 2⁶ = 6101660155597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6101660155621) 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, 4231386350 + ... + 4231387791.

It is an arithmetic number, because the mean of its divisors is an integer number (880128510768).

Almost surely, 2^{6101660155661} is an apocalyptic number.

It is an amenable number.

6101660155661 is a deficient number, since it is larger than the sum of its proper divisors (939367930483).

6101660155661 is a wasteful number, since it uses less digits than its factorization.

6101660155661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8462774251.

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 6101660155661 in words is "six trillion, one hundred one billion, six hundred sixty million, one hundred fifty-five thousand, six hundred sixty-one".