16613401361136 has 40 divisors (see below), whose sum is σ = 43400177724240. Its totient is φ = 5475577975296.

The previous prime is 16613401361093. The next prime is 16613401361143. The reversal of 16613401361136 is 63116310431661.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1944448135 + ... + 1944456678.

It is an arithmetic number, because the mean of its divisors is an integer number (1085004443106).

Almost surely, 2^{16613401361136} is an apocalyptic number.

16613401361136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16613401361136 is an abundant number, since it is smaller than the sum of its proper divisors (26786776363104).

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

16613401361136 is a wasteful number, since it uses less digits than its factorization.

16613401361136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3888904913 (or 3888904907 counting only the distinct ones).

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

Adding to 16613401361136 its reverse (63116310431661), we get a palindrome (79729711792797).

The spelling of 16613401361136 in words is "sixteen trillion, six hundred thirteen billion, four hundred one million, three hundred sixty-one thousand, one hundred thirty-six".