66627496 has 16 divisors (see below), whose sum is σ = 134536500. Its totient is φ = 30751104.

The previous prime is 66627479. The next prime is 66627499. The reversal of 66627496 is 69472666.

It can be written as a sum of positive squares in 2 ways, for example, as 65448100 + 1179396 = 8090^2 + 1086^2 .

It is not an unprimeable number, because it can be changed into a prime (66627499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320221 + ... + 320428.

Almost surely, 2^66627496 is an apocalyptic number.

It is an amenable number.

66627496 is an abundant number, since it is smaller than the sum of its proper divisors (67909004).

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

66627496 is a wasteful number, since it uses less digits than its factorization.

66627496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640668 (or 640664 counting only the distinct ones).

The product of its digits is 653184, while the sum is 46.

The square root of 66627496 is about 8162.5667531727. The cubic root of 66627496 is about 405.4007028439.

The spelling of 66627496 in words is "sixty-six million, six hundred twenty-seven thousand, four hundred ninety-six".