161290483200 has 2880 divisors, whose sum is σ = 809823168000. Its totient is φ = 30656102400.

The previous prime is 161290483157. The next prime is 161290483241. The reversal of 161290483200 is 2384092161.

161290483200 is a `hidden beast` number, since 1 + 6 + 1 + 290 + 48 + 320 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2880).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 5561740786 + ... + 5561740814.

It is an arithmetic number, because the mean of its divisors is an integer number (281188600).

Almost surely, 2^161290483200 is an apocalyptic number.

161290483200 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 161290483200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (404911584000).

161290483200 is an abundant number, since it is smaller than the sum of its proper divisors (648532684800).

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

161290483200 is a wasteful number, since it uses less digits than its factorization.

161290483200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 161290483200 in words is "one hundred sixty-one billion, two hundred ninety million, four hundred eighty-three thousand, two hundred".