161616211346060 has 24 divisors (see below), whose sum is σ = 339670198511280. Its totient is φ = 64593883646144.

The previous prime is 161616211346053. The next prime is 161616211346063. The reversal of 161616211346060 is 60643112616161.

It is a super-2 number, since 2×161616211346060² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (161616211346063) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3287530574 + ... + 3287579733.

It is an arithmetic number, because the mean of its divisors is an integer number (14152924937970).

Almost surely, 2^{161616211346060} is an apocalyptic number.

161616211346060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161616211346060 is an abundant number, since it is smaller than the sum of its proper divisors (178053987165220).

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

161616211346060 is a wasteful number, since it uses less digits than its factorization.

161616211346060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6575111545 (or 6575111543 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 161616211346060 in words is "one hundred sixty-one trillion, six hundred sixteen billion, two hundred eleven million, three hundred forty-six thousand, sixty".