66057350 has 24 divisors (see below), whose sum is σ = 123527808. Its totient is φ = 26280800.

The previous prime is 66057337. The next prime is 66057367. The reversal of 66057350 is 5375066.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6092 + ... + 13008.

It is an arithmetic number, because the mean of its divisors is an integer number (5146992).

Almost surely, 2^66057350 is an apocalyptic number.

66057350 is a deficient number, since it is larger than the sum of its proper divisors (57470458).

66057350 is a wasteful number, since it uses less digits than its factorization.

66057350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7120 (or 7115 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 66057350 is about 8127.5672867101. The cubic root of 66057350 is about 404.2410212630.

The spelling of 66057350 in words is "sixty-six million, fifty-seven thousand, three hundred fifty".