16182355493 has 8 divisors (see below), whose sum is σ = 16337485560. Its totient is φ = 16027346880.

The previous prime is 16182355481. The next prime is 16182355513. The reversal of 16182355493 is 39455328161.

It can be written as a sum of positive squares in 4 ways, for example, as 1465511524 + 14716843969 = 38282^2 + 121313^2 .

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 16182355493 - 2²⁰ = 16181306917 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 (16182355093) 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, 249683 + ... + 307743.

It is an arithmetic number, because the mean of its divisors is an integer number (2042185695).

Almost surely, 2^16182355493 is an apocalyptic number.

It is an amenable number.

16182355493 is a deficient number, since it is larger than the sum of its proper divisors (155130067).

16182355493 is a wasteful number, since it uses less digits than its factorization.

16182355493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60727.

The product of its digits is 777600, while the sum is 47.

The spelling of 16182355493 in words is "sixteen billion, one hundred eighty-two million, three hundred fifty-five thousand, four hundred ninety-three".