16040850128507 has 4 divisors (see below), whose sum is σ = 16041086136456. Its totient is φ = 16040614120560.

The previous prime is 16040850128477. The next prime is 16040850128561. The reversal of 16040850128507 is 70582105804061.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16040850128507 - 2¹⁶ = 16040850062971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16040850328507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117901994 + ... + 118037967.

It is an arithmetic number, because the mean of its divisors is an integer number (4010271534114).

Almost surely, 2^{16040850128507} is an apocalyptic number.

16040850128507 is a deficient number, since it is larger than the sum of its proper divisors (236007949).

16040850128507 is an equidigital number, since it uses as much as digits as its factorization.

16040850128507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236007948.

The product of its (nonzero) digits is 537600, while the sum is 47.

The spelling of 16040850128507 in words is "sixteen trillion, forty billion, eight hundred fifty million, one hundred twenty-eight thousand, five hundred seven".