66703340007 has 24 divisors (see below), whose sum is σ = 97460423424. Its totient is φ = 43957854864.

The previous prime is 66703339999. The next prime is 66703340063. The reversal of 66703340007 is 70004330766.

It is not a de Polignac number, because 66703340007 - 2³ = 66703339999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66703340087) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 371068 + ... + 520670.

It is an arithmetic number, because the mean of its divisors is an integer number (4060850976).

Almost surely, 2^66703340007 is an apocalyptic number.

66703340007 is a deficient number, since it is larger than the sum of its proper divisors (30757083417).

66703340007 is a wasteful number, since it uses less digits than its factorization.

66703340007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150179 (or 150176 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 36.

The spelling of 66703340007 in words is "sixty-six billion, seven hundred three million, three hundred forty thousand, seven".