16166003512 has 8 divisors (see below), whose sum is σ = 30311256600. Its totient is φ = 8083001752.

The previous prime is 16166003507. The next prime is 16166003563. The reversal of 16166003512 is 21530066161.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×16166003512² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010375212 + ... + 1010375227.

It is an arithmetic number, because the mean of its divisors is an integer number (3788907075).

Almost surely, 2^16166003512 is an apocalyptic number.

It is an amenable number.

16166003512 is a deficient number, since it is larger than the sum of its proper divisors (14145253088).

16166003512 is a wasteful number, since it uses less digits than its factorization.

16166003512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020750445 (or 2020750441 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

Adding to 16166003512 its reverse (21530066161), we get a palindrome (37696069673).

The spelling of 16166003512 in words is "sixteen billion, one hundred sixty-six million, three thousand, five hundred twelve".