6100115661 has 24 divisors (see below), whose sum is σ = 9820624320. Its totient is φ = 3626073216.

The previous prime is 6100115653. The next prime is 6100115677. The reversal of 6100115661 is 1665110016.

It is not a de Polignac number, because 6100115661 - 2³ = 6100115653 is a prime.

It is a super-2 number, since 2×6100115661² = 74422822155154933842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6100115621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1046305 + ... + 1052118.

It is an arithmetic number, because the mean of its divisors is an integer number (409192680).

Almost surely, 2^6100115661 is an apocalyptic number.

It is an amenable number.

6100115661 is a deficient number, since it is larger than the sum of its proper divisors (3720508659).

6100115661 is a wasteful number, since it uses less digits than its factorization.

6100115661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2098465 (or 2098462 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 6100115661 is about 78103.2371992352. The cubic root of 6100115661 is about 1827.1716849418.

Adding to 6100115661 its reverse (1665110016), we get a palindrome (7765225677).

The spelling of 6100115661 in words is "six billion, one hundred million, one hundred fifteen thousand, six hundred sixty-one".