6651416 has 32 divisors (see below), whose sum is σ = 13379040. Its totient is φ = 3091968.

The previous prime is 6651413. The next prime is 6651427. The reversal of 6651416 is 6141566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6651413) 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, 6320 + ... + 7296.

It is an arithmetic number, because the mean of its divisors is an integer number (418095).

Almost surely, 2^6651416 is an apocalyptic number.

It is an amenable number.

6651416 is an abundant number, since it is smaller than the sum of its proper divisors (6727624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6651416 is a wasteful number, since it uses less digits than its factorization.

6651416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043 (or 1039 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 6651416 is about 2579.0339276559. The cubic root of 6651416 is about 188.0635819345.

The spelling of 6651416 in words is "six million, six hundred fifty-one thousand, four hundred sixteen".