6011651661 has 8 divisors (see below), whose sum is σ = 8437405920. Its totient is φ = 3796832592.

The previous prime is 6011651629. The next prime is 6011651747. The reversal of 6011651661 is 1661561106.

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

It is not a de Polignac number, because 6011651661 - 2⁵ = 6011651629 is a prime.

It is a super-2 number, since 2×6011651661² = 72279911386408117842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6011651621) 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, 52733730 + ... + 52733843.

It is an arithmetic number, because the mean of its divisors is an integer number (1054675740).

Almost surely, 2^6011651661 is an apocalyptic number.

It is an amenable number.

6011651661 is a deficient number, since it is larger than the sum of its proper divisors (2425754259).

6011651661 is a wasteful number, since it uses less digits than its factorization.

6011651661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105467595.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 6011651661 is about 77534.8415939570. The cubic root of 6011651661 is about 1818.2960807578.

The spelling of 6011651661 in words is "six billion, eleven million, six hundred fifty-one thousand, six hundred sixty-one".