161462448 has 150 divisors (see below), whose sum is σ = 528279804. Its totient is φ = 46033344.

The previous prime is 161462443. The next prime is 161462467. The reversal of 161462448 is 844264161.

It is a happy number.

161462448 is a `hidden beast` number, since 16 + 14 + 624 + 4 + 8 = 666.

It is a super-2 number, since 2×161462448² = 52140244228305408, which contains 22 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (161462443) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 345511 + ... + 345977.

Almost surely, 2^161462448 is an apocalyptic number.

161462448 is a gapful number since it is divisible by the number (18) 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 161462448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264139902).

161462448 is an abundant number, since it is smaller than the sum of its proper divisors (366817356).

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

161462448 is an equidigital number, since it uses as much as digits as its factorization.

161462448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509 (or 479 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 161462448 is about 12706.7874775649. The cubic root of 161462448 is about 544.5325487048.

The spelling of 161462448 in words is "one hundred sixty-one million, four hundred sixty-two thousand, four hundred forty-eight".