161086176000 has 432 divisors, whose sum is σ = 581244431040. Its totient is φ = 42837196800.

The previous prime is 161086175993. The next prime is 161086176037. The reversal of 161086176000 is 671680161.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 163871509 + ... + 163872491.

It is an arithmetic number, because the mean of its divisors is an integer number (1345473220).

Almost surely, 2^161086176000 is an apocalyptic number.

161086176000 is a gapful number since it is divisible by the number (10) 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 161086176000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290622215520).

161086176000 is an abundant number, since it is smaller than the sum of its proper divisors (420158255040).

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

161086176000 is an equidigital number, since it uses as much as digits as its factorization.

161086176000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589 (or 1562 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

It can be divided in two parts, 1610861 and 76000, that added together give a palindrome (1686861).

The spelling of 161086176000 in words is "one hundred sixty-one billion, eighty-six million, one hundred seventy-six thousand".