16426052556 has 24 divisors (see below), whose sum is σ = 38722587120. Its totient is φ = 5418903552.

The previous prime is 16426052551. The next prime is 16426052557. The reversal of 16426052556 is 65525062461.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16426052551) 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, 7054701 + ... + 7057028.

It is an arithmetic number, because the mean of its divisors is an integer number (1613441130).

Almost surely, 2^16426052556 is an apocalyptic number.

It is an amenable number.

16426052556 is an abundant number, since it is smaller than the sum of its proper divisors (22296534564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16426052556 is a wasteful number, since it uses less digits than its factorization.

16426052556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14111833 (or 14111831 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 16426052556 in words is "sixteen billion, four hundred twenty-six million, fifty-two thousand, five hundred fifty-six".