16660415504010 has 64 divisors (see below), whose sum is σ = 40369237818624. Its totient is φ = 4400258688000.

The previous prime is 16660415504009. The next prime is 16660415504041. The reversal of 16660415504010 is 1040551406661.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 16660415504010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3930061 + ... + 6983280.

It is an arithmetic number, because the mean of its divisors is an integer number (630769340916).

Almost surely, 2^{16660415504010} is an apocalyptic number.

16660415504010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16660415504010 is an abundant number, since it is smaller than the sum of its proper divisors (23708822314614).

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

16660415504010 is a wasteful number, since it uses less digits than its factorization.

16660415504010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10913839.

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 16660415504010 in words is "sixteen trillion, six hundred sixty billion, four hundred fifteen million, five hundred four thousand, ten".