161700480 has 192 divisors, whose sum is σ = 568058400. Its totient is φ = 42375168.

The previous prime is 161700463. The next prime is 161700521. The reversal of 161700480 is 84007161.

It is a happy number.

161700480 is a `hidden beast` number, since 1 + 617 + 0 + 0 + 48 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×161700480² = 52294090464460800, which contains 22 as substring.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 385711 + ... + 386129.

Almost surely, 2^161700480 is an apocalyptic number.

161700480 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 161700480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284029200).

161700480 is an abundant number, since it is smaller than the sum of its proper divisors (406357920).

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

161700480 is a wasteful number, since it uses less digits than its factorization.

161700480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 161700480 is about 12716.1503608600. The cubic root of 161700480 is about 544.8000051751.

The spelling of 161700480 in words is "one hundred sixty-one million, seven hundred thousand, four hundred eighty".