16161665060618 has 64 divisors (see below), whose sum is σ = 31353513246720. Its totient is φ = 6065411414400.

The previous prime is 16161665060617. The next prime is 16161665060627. The reversal of 16161665060618 is 81606056616161.

It is a super-2 number, since 2×16161665060618² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16161665060618.

It is not an unprimeable number, because it can be changed into a prime (16161665060617) 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 31 ways as a sum of consecutive naturals, for example, 15701546 + ... + 16699157.

It is an arithmetic number, because the mean of its divisors is an integer number (489898644480).

Almost surely, 2^{16161665060618} is an apocalyptic number.

16161665060618 is a deficient number, since it is larger than the sum of its proper divisors (15191848186102).

16161665060618 is a wasteful number, since it uses less digits than its factorization.

16161665060618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32400843.

The product of its (nonzero) digits is 1866240, while the sum is 53.

The spelling of 16161665060618 in words is "sixteen trillion, one hundred sixty-one billion, six hundred sixty-five million, sixty thousand, six hundred eighteen".