16442621246052 has 24 divisors (see below), whose sum is σ = 42629018045600. Its totient is φ = 5480873748648.

The previous prime is 16442621246027. The next prime is 16442621246063. The reversal of 16442621246052 is 25064212624461.

16442621246052 is a `hidden beast` number, since 1 + 6 + 4 + 4 + 26 + 2 + 12 + 4 + 605 + 2 = 666.

16442621246052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×16442621246052⁴ (a number of 54 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3, 2.

It is a junction number, because it is equal to n+sod(n) for n = 16442621245989 and 16442621246007.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76123246402 + ... + 76123246617.

Almost surely, 2^{16442621246052} is an apocalyptic number.

16442621246052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16442621246052 is an abundant number, since it is smaller than the sum of its proper divisors (26186396799548).

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

16442621246052 is a wasteful number, since it uses less digits than its factorization.

16442621246052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152246493032 (or 152246493024 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 16442621246052 in words is "sixteen trillion, four hundred forty-two billion, six hundred twenty-one million, two hundred forty-six thousand, fifty-two".