66200255 has 8 divisors (see below), whose sum is σ = 86662224. Its totient is φ = 48145600.

The previous prime is 66200201. The next prime is 66200273. The reversal of 66200255 is 55200266.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 66200255 - 2⁶ = 66200191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 601766 + ... + 601875.

It is an arithmetic number, because the mean of its divisors is an integer number (10832778).

Almost surely, 2^66200255 is an apocalyptic number.

66200255 is a deficient number, since it is larger than the sum of its proper divisors (20461969).

66200255 is a wasteful number, since it uses less digits than its factorization.

66200255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203657.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 66200255 is about 8136.3539131481. The cubic root of 66200255 is about 404.5323159016.

The spelling of 66200255 in words is "sixty-six million, two hundred thousand, two hundred fifty-five".