16506146541 has 8 divisors (see below), whose sum is σ = 22030407424. Its totient is φ = 10992991680.

The previous prime is 16506146537. The next prime is 16506146557. The reversal of 16506146541 is 14564160561.

It is a happy number.

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

It is not a de Polignac number, because 16506146541 - 2² = 16506146537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16506146541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16506146521) 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, 2773036 + ... + 2778981.

It is an arithmetic number, because the mean of its divisors is an integer number (2753800928).

Almost surely, 2^16506146541 is an apocalyptic number.

It is an amenable number.

16506146541 is a deficient number, since it is larger than the sum of its proper divisors (5524260883).

16506146541 is an equidigital number, since it uses as much as digits as its factorization.

16506146541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5553011.

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 16506146541 in words is "sixteen billion, five hundred six million, one hundred forty-six thousand, five hundred forty-one".