161614163343212 has 12 divisors (see below), whose sum is σ = 285419508657360. Its totient is φ = 80065732298256.

The previous prime is 161614163343169. The next prime is 161614163343229. The reversal of 161614163343212 is 212343361416161.

It is a super-2 number, since 2×161614163343212² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185337342848 + ... + 185337343719.

It is an arithmetic number, because the mean of its divisors is an integer number (23784959054780).

Almost surely, 2^{161614163343212} is an apocalyptic number.

It is an amenable number.

161614163343212 is a deficient number, since it is larger than the sum of its proper divisors (123805345314148).

161614163343212 is a wasteful number, since it uses less digits than its factorization.

161614163343212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370674686680 (or 370674686678 counting only the distinct ones).

The product of its digits is 373248, while the sum is 44.

The spelling of 161614163343212 in words is "one hundred sixty-one trillion, six hundred fourteen billion, one hundred sixty-three million, three hundred forty-three thousand, two hundred twelve".