66357050 has 36 divisors (see below), whose sum is σ = 127626318. Its totient is φ = 25668000.

The previous prime is 66357043. The next prime is 66357061. The reversal of 66357050 is 5075366.

It can be written as a sum of positive squares in 3 ways, for example, as 47789569 + 18567481 = 6913^2 + 4309^2 .

It is a junction number, because it is equal to n+sod(n) for n = 66356998 and 66357016.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 47360 + ... + 48740.

Almost surely, 2^66357050 is an apocalyptic number.

66357050 is a deficient number, since it is larger than the sum of its proper divisors (61269268).

66357050 is a wasteful number, since it uses less digits than its factorization.

66357050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455 (or 1419 counting only the distinct ones).

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

The square root of 66357050 is about 8145.9836729520. The cubic root of 66357050 is about 404.8514417289.

The spelling of 66357050 in words is "sixty-six million, three hundred fifty-seven thousand, fifty".