1614163331661 has 16 divisors (see below), whose sum is σ = 2154706029504. Its totient is φ = 1074865244544.

The previous prime is 1614163331639. The next prime is 1614163331701. The reversal of 1614163331661 is 1661333614161.

It is a happy number.

It is not a de Polignac number, because 1614163331661 - 2⁵ = 1614163331629 is a prime.

It is a super-2 number, since 2×1614163331661² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1614163335661) 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 15 ways as a sum of consecutive naturals, for example, 13905915 + ... + 14021511.

It is an arithmetic number, because the mean of its divisors is an integer number (134669126844).

Almost surely, 2^{1614163331661} is an apocalyptic number.

It is an amenable number.

1614163331661 is a deficient number, since it is larger than the sum of its proper divisors (540542697843).

1614163331661 is a wasteful number, since it uses less digits than its factorization.

1614163331661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120940.

The product of its digits is 139968, while the sum is 42.

The spelling of 1614163331661 in words is "one trillion, six hundred fourteen billion, one hundred sixty-three million, three hundred thirty-one thousand, six hundred sixty-one".