161487360 has 240 divisors, whose sum is σ = 575793504. Its totient is φ = 41803776.

The previous prime is 161487331. The next prime is 161487377. The reversal of 161487360 is 63784161.

161487360 is a `hidden beast` number, since 1 + 614 + 8 + 7 + 36 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 990639 + ... + 990801.

Almost surely, 2^161487360 is an apocalyptic number.

161487360 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 161487360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287896752).

161487360 is an abundant number, since it is smaller than the sum of its proper divisors (414306144).

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

161487360 is a wasteful number, since it uses less digits than its factorization.

161487360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 161487360 is about 12707.7677032593. The cubic root of 161487360 is about 544.5605525274.

The spelling of 161487360 in words is "one hundred sixty-one million, four hundred eighty-seven thousand, three hundred sixty".