16115166166 has 8 divisors (see below), whose sum is σ = 26370271944. Its totient is φ = 7325075520.

The previous prime is 16115166157. The next prime is 16115166169. The reversal of 16115166166 is 66166151161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×16115166166² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16115166169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366253755 + ... + 366253798.

It is an arithmetic number, because the mean of its divisors is an integer number (3296283993).

Almost surely, 2^16115166166 is an apocalyptic number.

16115166166 is a deficient number, since it is larger than the sum of its proper divisors (10255105778).

16115166166 is a wasteful number, since it uses less digits than its factorization.

16115166166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732507566.

The product of its digits is 38880, while the sum is 40.

It can be divided in two parts, 16115 and 166166, that added together give a palindrome (182281).

The spelling of 16115166166 in words is "sixteen billion, one hundred fifteen million, one hundred sixty-six thousand, one hundred sixty-six".