161454768 has 20 divisors (see below), whose sum is σ = 417091608. Its totient is φ = 53818240.

The previous prime is 161454767. The next prime is 161454773. The reversal of 161454768 is 867454161.

It is not an unprimeable number, because it can be changed into a prime (161454767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1681773 + ... + 1681868.

Almost surely, 2^161454768 is an apocalyptic number.

It is an amenable number.

161454768 is an abundant number, since it is smaller than the sum of its proper divisors (255636840).

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

161454768 is a wasteful number, since it uses less digits than its factorization.

161454768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363652 (or 3363646 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 161454768 is about 12706.4852732768. The cubic root of 161454768 is about 544.5239149609.

The spelling of 161454768 in words is "one hundred sixty-one million, four hundred fifty-four thousand, seven hundred sixty-eight".