16411657541 has 4 divisors (see below), whose sum is σ = 16760841792. Its totient is φ = 16062473292.

The previous prime is 16411657513. The next prime is 16411657547. The reversal of 16411657541 is 14575611461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16411657541 - 2²⁶ = 16344548677 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 (16411657547) 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, 174592055 + ... + 174592148.

It is an arithmetic number, because the mean of its divisors is an integer number (4190210448).

Almost surely, 2^16411657541 is an apocalyptic number.

It is an amenable number.

16411657541 is a deficient number, since it is larger than the sum of its proper divisors (349184251).

16411657541 is an equidigital number, since it uses as much as digits as its factorization.

16411657541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349184250.

The product of its digits is 100800, while the sum is 41.

The spelling of 16411657541 in words is "sixteen billion, four hundred eleven million, six hundred fifty-seven thousand, five hundred forty-one".