16482090581 has 8 divisors (see below), whose sum is σ = 18182491200. Its totient is φ = 14815361440.

The previous prime is 16482090577. The next prime is 16482090593. The reversal of 16482090581 is 18509028461.

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

It is not a de Polignac number, because 16482090581 - 2² = 16482090577 is a prime.

It is a super-2 number, since 2×16482090581² (a number of 21 digits) contains 22 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 (16482090511) 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, 8416841 + ... + 8418798.

It is an arithmetic number, because the mean of its divisors is an integer number (2272811400).

Almost surely, 2^16482090581 is an apocalyptic number.

16482090581 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16482090581 is a deficient number, since it is larger than the sum of its proper divisors (1700400619).

16482090581 is a wasteful number, since it uses less digits than its factorization.

16482090581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16835739.

The product of its (nonzero) digits is 138240, while the sum is 44.

The spelling of 16482090581 in words is "sixteen billion, four hundred eighty-two million, ninety thousand, five hundred eighty-one".