66849254 has 8 divisors (see below), whose sum is σ = 100451208. Its totient is φ = 33365520.

The previous prime is 66849227. The next prime is 66849257. The reversal of 66849254 is 45294866.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66849257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28127 + ... + 30410.

It is an arithmetic number, because the mean of its divisors is an integer number (12556401).

Almost surely, 2^66849254 is an apocalyptic number.

66849254 is a deficient number, since it is larger than the sum of its proper divisors (33601954).

66849254 is a wasteful number, since it uses less digits than its factorization.

66849254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59110.

The product of its digits is 414720, while the sum is 44.

The square root of 66849254 is about 8176.1393089893. The cubic root of 66849254 is about 405.8499732838.

The spelling of 66849254 in words is "sixty-six million, eight hundred forty-nine thousand, two hundred fifty-four".