16556016231006 has 64 divisors (see below), whose sum is σ = 39148481018880. Its totient is φ = 4567030997760.

The previous prime is 16556016230959. The next prime is 16556016231037. The reversal of 16556016231006 is 60013261065561.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41164375 + ... + 41564621.

It is an arithmetic number, because the mean of its divisors is an integer number (611695015920).

Almost surely, 2^{16556016231006} is an apocalyptic number.

16556016231006 is an abundant number, since it is smaller than the sum of its proper divisors (22592464787874).

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

16556016231006 is a wasteful number, since it uses less digits than its factorization.

16556016231006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434249.

The product of its (nonzero) digits is 194400, while the sum is 42.

Adding to 16556016231006 its reverse (60013261065561), we get a palindrome (76569277296567).

The spelling of 16556016231006 in words is "sixteen trillion, five hundred fifty-six billion, sixteen million, two hundred thirty-one thousand, six".