6612645 has 16 divisors (see below), whose sum is σ = 11394432. Its totient is φ = 3255360.

The previous prime is 6612629. The next prime is 6612653. The reversal of 6612645 is 5462166.

It is not a de Polignac number, because 6612645 - 2⁴ = 6612629 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16761 + ... + 17150.

It is an arithmetic number, because the mean of its divisors is an integer number (712152).

Almost surely, 2^6612645 is an apocalyptic number.

6612645 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6612645 is a deficient number, since it is larger than the sum of its proper divisors (4781787).

6612645 is a wasteful number, since it uses less digits than its factorization.

6612645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33932.

The product of its digits is 8640, while the sum is 30.

The square root of 6612645 is about 2571.5063678708. The cubic root of 6612645 is about 187.6974630825.

The spelling of 6612645 in words is "six million, six hundred twelve thousand, six hundred forty-five".