20161123333308 has 48 divisors (see below), whose sum is σ = 52787099625120. Its totient is φ = 6653836080000.

The previous prime is 20161123333303. The next prime is 20161123333331. The reversal of 20161123333308 is 80333332116102.

20161123333308 is a `hidden beast` number, since 2 + 0 + 1 + 6 + 1 + 12 + 3 + 333 + 308 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20161123333303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 924132993 + ... + 924154808.

It is an arithmetic number, because the mean of its divisors is an integer number (1099731242190).

Almost surely, 2^{20161123333308} is an apocalyptic number.

It is an amenable number.

20161123333308 is an abundant number, since it is smaller than the sum of its proper divisors (32625976291812).

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

20161123333308 is a wasteful number, since it uses less digits than its factorization.

20161123333308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848287915 (or 1848287907 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The spelling of 20161123333308 in words is "twenty trillion, one hundred sixty-one billion, one hundred twenty-three million, three hundred thirty-three thousand, three hundred eight".