166730162351 has 4 divisors (see below), whose sum is σ = 166800131232. Its totient is φ = 166660193472.

The previous prime is 166730162273. The next prime is 166730162363. The reversal of 166730162351 is 153261037661.

166730162351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-166730162351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166730162299 and 166730162308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166730162551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34980866 + ... + 34985631.

It is an arithmetic number, because the mean of its divisors is an integer number (41700032808).

Almost surely, 2^166730162351 is an apocalyptic number.

166730162351 is a deficient number, since it is larger than the sum of its proper divisors (69968881).

166730162351 is an equidigital number, since it uses as much as digits as its factorization.

166730162351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69968880.

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 166730162351 in words is "one hundred sixty-six billion, seven hundred thirty million, one hundred sixty-two thousand, three hundred fifty-one".