6651136 has 18 divisors (see below), whose sum is σ = 13276802. Its totient is φ = 3325440.

The previous prime is 6651133. The next prime is 6651149. The reversal of 6651136 is 6311566.

It can be written as a sum of positive squares in only one way, i.e., 5760000 + 891136 = 2400^2 + 944^2 .

It is a super-2 number, since 2×6651136² = 88475220180992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6651133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12735 + ... + 13246.

Almost surely, 2^6651136 is an apocalyptic number.

It is an amenable number.

6651136 is a deficient number, since it is larger than the sum of its proper divisors (6625666).

6651136 is an equidigital number, since it uses as much as digits as its factorization.

6651136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25997 (or 25983 counting only the distinct ones).

The product of its digits is 3240, while the sum is 28.

The square root of 6651136 is about 2578.9796431922. The cubic root of 6651136 is about 188.0609429705.

The spelling of 6651136 in words is "six million, six hundred fifty-one thousand, one hundred thirty-six".