161459063208 has 160 divisors (see below), whose sum is σ = 476902720800. Its totient is φ = 50894324352.

The previous prime is 161459063203. The next prime is 161459063221. The reversal of 161459063208 is 802360954161.

161459063208 is a `hidden beast` number, since 1 + 6 + 1 + 4 + 5 + 9 + 0 + 632 + 0 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (161459063203) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6920010 + ... + 6943302.

It is an arithmetic number, because the mean of its divisors is an integer number (2980642005).

Almost surely, 2^161459063208 is an apocalyptic number.

161459063208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161459063208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238451360400).

161459063208 is an abundant number, since it is smaller than the sum of its proper divisors (315443657592).

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

161459063208 is a wasteful number, since it uses less digits than its factorization.

161459063208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23893 (or 23880 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 161459063208 in words is "one hundred sixty-one billion, four hundred fifty-nine million, sixty-three thousand, two hundred eight".