1616162012808 has 32 divisors (see below), whose sum is σ = 4617605751360. Its totient is φ = 461760575040.

The previous prime is 1616162012807. The next prime is 1616162012813. The reversal of 1616162012808 is 8082102616161.

It is a super-2 number, since 2×1616162012808² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 1616162012808.

It is not an unprimeable number, because it can be changed into a prime (1616162012807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4810005823 + ... + 4810006158.

It is an arithmetic number, because the mean of its divisors is an integer number (144300179730).

Almost surely, 2^{1616162012808} is an apocalyptic number.

It is an amenable number.

1616162012808 is an abundant number, since it is smaller than the sum of its proper divisors (3001443738552).

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

1616162012808 is a wasteful number, since it uses less digits than its factorization.

1616162012808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9620011997 (or 9620011993 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

Adding to 1616162012808 its reverse (8082102616161), we get a palindrome (9698264628969).

The spelling of 1616162012808 in words is "one trillion, six hundred sixteen billion, one hundred sixty-two million, twelve thousand, eight hundred eight".