16506053126 has 4 divisors (see below), whose sum is σ = 24759079692. Its totient is φ = 8253026562.

The previous prime is 16506053111. The next prime is 16506053149. The reversal of 16506053126 is 62135060561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62135060561 = 7 ⋅8876437223.

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, 4126513280 + ... + 4126513283.

It is an arithmetic number, because the mean of its divisors is an integer number (6189769923).

Almost surely, 2^16506053126 is an apocalyptic number.

16506053126 is a deficient number, since it is larger than the sum of its proper divisors (8253026566).

16506053126 is an equidigital number, since it uses as much as digits as its factorization.

16506053126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8253026565.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 16506053126 in words is "sixteen billion, five hundred six million, fifty-three thousand, one hundred twenty-six".