16556510005152 has 96 divisors (see below), whose sum is σ = 47258388148608. Its totient is φ = 5044851403776.

The previous prime is 16556510005129. The next prime is 16556510005163. The reversal of 16556510005152 is 25150001565561.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64271623 + ... + 64528710.

It is an arithmetic number, because the mean of its divisors is an integer number (492274876548).

Almost surely, 2^{16556510005152} is an apocalyptic number.

16556510005152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16556510005152 is an abundant number, since it is smaller than the sum of its proper divisors (30701878143456).

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

16556510005152 is a wasteful number, since it uses less digits than its factorization.

16556510005152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128800462 (or 128800454 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 42.

The spelling of 16556510005152 in words is "sixteen trillion, five hundred fifty-six billion, five hundred ten million, five thousand, one hundred fifty-two".