166007340007 has 4 divisors (see below), whose sum is σ = 166876488576. Its totient is φ = 165138191440.

The previous prime is 166007339987. The next prime is 166007340019. The reversal of 166007340007 is 700043700661.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166007340007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166007340047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434573998 + ... + 434574379.

It is an arithmetic number, because the mean of its divisors is an integer number (41719122144).

Almost surely, 2^166007340007 is an apocalyptic number.

166007340007 is a deficient number, since it is larger than the sum of its proper divisors (869148569).

166007340007 is an equidigital number, since it uses as much as digits as its factorization.

166007340007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869148568.

The product of its (nonzero) digits is 21168, while the sum is 34.

The spelling of 166007340007 in words is "one hundred sixty-six billion, seven million, three hundred forty thousand, seven".