16041663323537 has 4 divisors (see below), whose sum is σ = 16042017434736. Its totient is φ = 16041309212340.

The previous prime is 16041663323513. The next prime is 16041663323561. The reversal of 16041663323537 is 73532336614061.

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 an interprime number because it is at equal distance from previous prime (16041663323513) and next prime (16041663323561).

It is a cyclic number.

It is not a de Polignac number, because 16041663323537 - 2⁸ = 16041663323281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16041663325537) 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, 176987639 + ... + 177078252.

It is an arithmetic number, because the mean of its divisors is an integer number (4010504358684).

Almost surely, 2^{16041663323537} is an apocalyptic number.

It is an amenable number.

16041663323537 is a deficient number, since it is larger than the sum of its proper divisors (354111199).

16041663323537 is an equidigital number, since it uses as much as digits as its factorization.

16041663323537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354111198.

The product of its (nonzero) digits is 4898880, while the sum is 50.

Adding to 16041663323537 its reverse (73532336614061), we get a palindrome (89573999937598).

The spelling of 16041663323537 in words is "sixteen trillion, forty-one billion, six hundred sixty-three million, three hundred twenty-three thousand, five hundred thirty-seven".