66049246 has 4 divisors (see below), whose sum is σ = 99073872. Its totient is φ = 33024622.

The previous prime is 66049231. The next prime is 66049259. The reversal of 66049246 is 64294066.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16512310 + ... + 16512313.

It is an arithmetic number, because the mean of its divisors is an integer number (24768468).

Almost surely, 2^66049246 is an apocalyptic number.

66049246 is a deficient number, since it is larger than the sum of its proper divisors (33024626).

66049246 is a wasteful number, since it uses less digits than its factorization.

66049246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33024625.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 66049246 is about 8127.0687212549. The cubic root of 66049246 is about 404.2244896522.

The spelling of 66049246 in words is "sixty-six million, forty-nine thousand, two hundred forty-six".