166482873731 has 8 divisors (see below), whose sum is σ = 167146643664. Its totient is φ = 165819228160.

The previous prime is 166482873701. The next prime is 166482873761. The reversal of 166482873731 is 137378284661.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (166482873701) and next prime (166482873761).

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

It is a cyclic number.

It is not a de Polignac number, because 166482873731 - 2¹⁴ = 166482857347 is a prime.

It is a super-2 number, since 2×166482873731² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166482873701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3401771 + ... + 3450363.

It is an arithmetic number, because the mean of its divisors is an integer number (20893330458).

Almost surely, 2^166482873731 is an apocalyptic number.

166482873731 is a deficient number, since it is larger than the sum of its proper divisors (663769933).

166482873731 is a wasteful number, since it uses less digits than its factorization.

166482873731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62181.

The product of its digits is 8128512, while the sum is 56.

The spelling of 166482873731 in words is "one hundred sixty-six billion, four hundred eighty-two million, eight hundred seventy-three thousand, seven hundred thirty-one".