6651655011 has 32 divisors (see below), whose sum is σ = 10104756480. Its totient is φ = 4323103488.

The previous prime is 6651655009. The next prime is 6651655013. The reversal of 6651655011 is 1105561566.

It is an interprime number because it is at equal distance from previous prime (6651655009) and next prime (6651655013).

It is not a de Polignac number, because 6651655011 - 2¹ = 6651655009 is a prime.

It is a super-2 number, since 2×6651655011² = 88489028770722820242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6651655013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156520 + ... + 194426.

It is an arithmetic number, because the mean of its divisors is an integer number (315773640).

Almost surely, 2^6651655011 is an apocalyptic number.

6651655011 is a deficient number, since it is larger than the sum of its proper divisors (3453101469).

6651655011 is a wasteful number, since it uses less digits than its factorization.

6651655011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38080 (or 38074 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The square root of 6651655011 is about 81557.6790437295. The cubic root of 6651655011 is about 1880.6583452387.

The spelling of 6651655011 in words is "six billion, six hundred fifty-one million, six hundred fifty-five thousand, eleven".