66948246 has 12 divisors (see below), whose sum is σ = 145054572. Its totient is φ = 22316076.

The previous prime is 66948241. The next prime is 66948253. The reversal of 66948246 is 64284966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66948241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1859656 + ... + 1859691.

It is an arithmetic number, because the mean of its divisors is an integer number (12087881).

Almost surely, 2^66948246 is an apocalyptic number.

66948246 is an abundant number, since it is smaller than the sum of its proper divisors (78106326).

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

66948246 is a wasteful number, since it uses less digits than its factorization.

66948246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3719355 (or 3719352 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 66948246 is about 8182.1907824250. The cubic root of 66948246 is about 406.0502053148.

The spelling of 66948246 in words is "sixty-six million, nine hundred forty-eight thousand, two hundred forty-six".