16541126503863 has 32 divisors (see below), whose sum is σ = 24657195171840. Its totient is φ = 9793420801920.

The previous prime is 16541126503813. The next prime is 16541126503897. The reversal of 16541126503863 is 36830562114561.

It is a happy number.

It is not a de Polignac number, because 16541126503863 - 2¹⁸ = 16541126241719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16541126503813) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25519543 + ... + 26159688.

It is an arithmetic number, because the mean of its divisors is an integer number (770537349120).

Almost surely, 2^{16541126503863} is an apocalyptic number.

16541126503863 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16541126503863 is a deficient number, since it is larger than the sum of its proper divisors (8116068667977).

16541126503863 is a wasteful number, since it uses less digits than its factorization.

16541126503863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51679559.

The product of its (nonzero) digits is 3110400, while the sum is 51.

The spelling of 16541126503863 in words is "sixteen trillion, five hundred forty-one billion, one hundred twenty-six million, five hundred three thousand, eight hundred sixty-three".