66010696 has 8 divisors (see below), whose sum is σ = 123770070. Its totient is φ = 33005344.

The previous prime is 66010691. The next prime is 66010709. The reversal of 66010696 is 69601066.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 38068900 + 27941796 = 6170^2 + 5286^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (66010691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4125661 + ... + 4125676.

Almost surely, 2^66010696 is an apocalyptic number.

It is an amenable number.

66010696 is a deficient number, since it is larger than the sum of its proper divisors (57759374).

66010696 is a wasteful number, since it uses less digits than its factorization.

66010696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8251343 (or 8251339 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 66010696 is about 8124.6966712610. The cubic root of 66010696 is about 404.1458317433.

The spelling of 66010696 in words is "sixty-six million, ten thousand, six hundred ninety-six".