6653172 has 12 divisors (see below), whose sum is σ = 15524096. Its totient is φ = 2217720.

The previous prime is 6653159. The next prime is 6653183. The reversal of 6653172 is 2713566.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×6653172³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277204 + ... + 277227.

Almost surely, 2^6653172 is an apocalyptic number.

It is an amenable number.

6653172 is an abundant number, since it is smaller than the sum of its proper divisors (8870924).

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

6653172 is a wasteful number, since it uses less digits than its factorization.

6653172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554438 (or 554436 counting only the distinct ones).

The product of its digits is 7560, while the sum is 30.

The square root of 6653172 is about 2579.3743427428. The cubic root of 6653172 is about 188.0801303202.

The spelling of 6653172 in words is "six million, six hundred fifty-three thousand, one hundred seventy-two".