6665955 has 16 divisors (see below), whose sum is σ = 11293344. Its totient is φ = 3345920.

The previous prime is 6665951. The next prime is 6665959. The reversal of 6665955 is 5595666.

It is an interprime number because it is at equal distance from previous prime (6665951) and next prime (6665959).

It is not a de Polignac number, because 6665955 - 2² = 6665951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6665951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12816 + ... + 13325.

It is an arithmetic number, because the mean of its divisors is an integer number (705834).

Almost surely, 2^6665955 is an apocalyptic number.

6665955 is a deficient number, since it is larger than the sum of its proper divisors (4627389).

6665955 is a wasteful number, since it uses less digits than its factorization.

6665955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26166.

The product of its digits is 243000, while the sum is 42.

The square root of 6665955 is about 2581.8510801361. The cubic root of 6665955 is about 188.2005084981.

The spelling of 6665955 in words is "six million, six hundred sixty-five thousand, nine hundred fifty-five".