66483650 has 12 divisors (see below), whose sum is σ = 123659682. Its totient is φ = 26593440.

The previous prime is 66483649. The next prime is 66483661. The reversal of 66483650 is 5638466.

It can be written as a sum of positive squares in 3 ways, for example, as 50794129 + 15689521 = 7127^2 + 3961^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 664787 + ... + 664886.

Almost surely, 2^66483650 is an apocalyptic number.

66483650 is a deficient number, since it is larger than the sum of its proper divisors (57176032).

66483650 is a wasteful number, since it uses less digits than its factorization.

66483650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329685 (or 1329680 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 66483650 is about 8153.7506707036. The cubic root of 66483650 is about 405.1087448677.

The spelling of 66483650 in words is "sixty-six million, four hundred eighty-three thousand, six hundred fifty".