6155664 has 40 divisors (see below), whose sum is σ = 15996000. Its totient is φ = 2039808.

The previous prime is 6155641. The next prime is 6155687. The reversal of 6155664 is 4665516.

It is an interprime number because it is at equal distance from previous prime (6155641) and next prime (6155687).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12087 + ... + 12585.

It is an arithmetic number, because the mean of its divisors is an integer number (399900).

Almost surely, 2^6155664 is an apocalyptic number.

It is an amenable number.

6155664 is an abundant number, since it is smaller than the sum of its proper divisors (9840336).

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

6155664 is a wasteful number, since it uses less digits than its factorization.

6155664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767 (or 761 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 6155664 is about 2481.0610633356. The cubic root of 6155664 is about 183.2701078584.

The spelling of 6155664 in words is "six million, one hundred fifty-five thousand, six hundred sixty-four".