66096705 has 16 divisors (see below), whose sum is σ = 106565184. Its totient is φ = 34981440.

The previous prime is 66096703. The next prime is 66096739. The reversal of 66096705 is 50769066.

It is a happy number.

It is not a de Polignac number, because 66096705 - 2¹ = 66096703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66096703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14854 + ... + 18783.

It is an arithmetic number, because the mean of its divisors is an integer number (6660324).

Almost surely, 2^66096705 is an apocalyptic number.

It is an amenable number.

66096705 is a deficient number, since it is larger than the sum of its proper divisors (40468479).

66096705 is a wasteful number, since it uses less digits than its factorization.

66096705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33776.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 66096705 is about 8129.9880073712. The cubic root of 66096705 is about 404.3212835759.

The spelling of 66096705 in words is "sixty-six million, ninety-six thousand, seven hundred five".