66711104 has 28 divisors (see below), whose sum is σ = 133350000. Its totient is φ = 33111168.

The previous prime is 66711091. The next prime is 66711131. The reversal of 66711104 is 40111766.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5147 + ... + 12645.

It is an arithmetic number, because the mean of its divisors is an integer number (4762500).

Almost surely, 2^66711104 is an apocalyptic number.

66711104 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

66711104 is a deficient number, since it is larger than the sum of its proper divisors (66638896).

66711104 is a wasteful number, since it uses less digits than its factorization.

66711104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7650 (or 7640 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 66711104 is about 8167.6865757692. The cubic root of 66711104 is about 405.5702053075.

The spelling of 66711104 in words is "sixty-six million, seven hundred eleven thousand, one hundred four".