161254080 has 336 divisors, whose sum is σ = 615756960. Its totient is φ = 38486016.

The previous prime is 161254073. The next prime is 161254087. The reversal of 161254080 is 80452161.

161254080 is a `hidden beast` number, since 1 + 612 + 5 + 40 + 8 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (161254073) and next prime (161254087).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161254087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2208924 + ... + 2208996.

It is an arithmetic number, because the mean of its divisors is an integer number (1832610).

Almost surely, 2^161254080 is an apocalyptic number.

161254080 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 161254080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307878480).

161254080 is an abundant number, since it is smaller than the sum of its proper divisors (454502880).

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

161254080 is a wasteful number, since it uses less digits than its factorization.

161254080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 161254080 is about 12698.5857480272. The cubic root of 161254080 is about 544.2982073192.

The spelling of 161254080 in words is "one hundred sixty-one million, two hundred fifty-four thousand, eighty".