16182540870993 has 24 divisors (see below), whose sum is σ = 26720167467968. Its totient is φ = 9245043685152.

The previous prime is 16182540870971. The next prime is 16182540871009. The reversal of 16182540870993 is 39907804528161.

16182540870993 is a `hidden beast` number, since 1 + 6 + 1 + 8 + 2 + 540 + 87 + 0 + 9 + 9 + 3 = 666.

It is not a de Polignac number, because 16182540870993 - 2¹⁸ = 16182540608849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16182540870993.

It is not an unprimeable number, because it can be changed into a prime (16182540870913) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29202871 + ... + 29751852.

It is a 2-persistent number, because it is pandigital, and so is 2⋅16182540870993 = 32365081741986, but 3⋅16182540870993 = 48547622612979 is not.

Almost surely, 2^{16182540870993} is an apocalyptic number.

It is an amenable number.

16182540870993 is a deficient number, since it is larger than the sum of its proper divisors (10537626596975).

16182540870993 is a wasteful number, since it uses less digits than its factorization.

16182540870993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58959093 (or 58959090 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The spelling of 16182540870993 in words is "sixteen trillion, one hundred eighty-two billion, five hundred forty million, eight hundred seventy thousand, nine hundred ninety-three".