16541243662 has 4 divisors (see below), whose sum is σ = 24811865496. Its totient is φ = 8270621830.

The previous prime is 16541243659. The next prime is 16541243681. The reversal of 16541243662 is 26634214561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26634214561 = 409 ⋅65120329.

It is a super-2 number, since 2×16541243662² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4135310914 + ... + 4135310917.

It is an arithmetic number, because the mean of its divisors is an integer number (6202966374).

Almost surely, 2^16541243662 is an apocalyptic number.

16541243662 is a deficient number, since it is larger than the sum of its proper divisors (8270621834).

16541243662 is an equidigital number, since it uses as much as digits as its factorization.

16541243662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8270621833.

The product of its digits is 207360, while the sum is 40.

The spelling of 16541243662 in words is "sixteen billion, five hundred forty-one million, two hundred forty-three thousand, six hundred sixty-two".