166434335620214 has 16 divisors (see below), whose sum is σ = 249864523025040. Its totient is φ = 83146169072640.

The previous prime is 166434335620199. The next prime is 166434335620229. The reversal of 166434335620214 is 412026533434661.

It is an interprime number because it is at equal distance from previous prime (166434335620199) and next prime (166434335620229).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40969862 + ... + 44848614.

It is an arithmetic number, because the mean of its divisors is an integer number (15616532689065).

Almost surely, 2^{166434335620214} is an apocalyptic number.

166434335620214 is a deficient number, since it is larger than the sum of its proper divisors (83430187404826).

166434335620214 is a wasteful number, since it uses less digits than its factorization.

166434335620214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3897055.

The product of its (nonzero) digits is 7464960, while the sum is 50.

The spelling of 166434335620214 in words is "one hundred sixty-six trillion, four hundred thirty-four billion, three hundred thirty-five million, six hundred twenty thousand, two hundred fourteen".