166356345014503 has 8 divisors (see below), whose sum is σ = 190121887991808. Its totient is φ = 142590889745304.

The previous prime is 166356345014501. The next prime is 166356345014507. The reversal of 166356345014503 is 305410543653661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 166356345014503 - 2¹ = 166356345014501 is a prime.

It is a super-3 number, since 3×166356345014503³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166356345014501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17811151 + ... + 25494112.

It is an arithmetic number, because the mean of its divisors is an integer number (23765235998976).

Almost surely, 2^{166356345014503} is an apocalyptic number.

166356345014503 is a deficient number, since it is larger than the sum of its proper divisors (23765542977305).

166356345014503 is an equidigital number, since it uses as much as digits as its factorization.

166356345014503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43854053.

The product of its (nonzero) digits is 11664000, while the sum is 52.

The spelling of 166356345014503 in words is "one hundred sixty-six trillion, three hundred fifty-six billion, three hundred forty-five million, fourteen thousand, five hundred three".