66480614 has 16 divisors (see below), whose sum is σ = 100742400. Its totient is φ = 32901960.

The previous prime is 66480611. The next prime is 66480641. The reversal of 66480614 is 41608466.

66480614 = 453² + 454² + ... + 663².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66480611) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 110687 + ... + 111285.

It is an arithmetic number, because the mean of its divisors is an integer number (6296400).

Almost surely, 2^66480614 is an apocalyptic number.

66480614 is a deficient number, since it is larger than the sum of its proper divisors (34261786).

66480614 is a wasteful number, since it uses less digits than its factorization.

66480614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 66480614 is about 8153.5644965868. The cubic root of 66480614 is about 405.1025782946.

The spelling of 66480614 in words is "sixty-six million, four hundred eighty thousand, six hundred fourteen".