161450054200 has 96 divisors (see below), whose sum is σ = 390831703920. Its totient is φ = 61971840000.

The previous prime is 161450054107. The next prime is 161450054201. The reversal of 161450054200 is 2450054161.

161450054200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×161450054200² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161450054201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 338815 + ... + 661585.

Almost surely, 2^161450054200 is an apocalyptic number.

161450054200 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 161450054200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195415851960).

161450054200 is an abundant number, since it is smaller than the sum of its proper divisors (229381649720).

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

161450054200 is a wasteful number, since it uses less digits than its factorization.

161450054200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322889 (or 322880 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 161450054200 in words is "one hundred sixty-one billion, four hundred fifty million, fifty-four thousand, two hundred".