161472562 has 8 divisors (see below), whose sum is σ = 256456476. Its totient is φ = 75987072.

The previous prime is 161472559. The next prime is 161472587. The reversal of 161472562 is 265274161.

161472562 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 146192281 + 15280281 = 12091^2 + 3909^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 4749193 = 161472562 / (1 + 6 + 1 + 4 + 7 + 2 + 5 + 6 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2374563 + ... + 2374630.

Almost surely, 2^161472562 is an apocalyptic number.

161472562 is a deficient number, since it is larger than the sum of its proper divisors (94983914).

161472562 is a wasteful number, since it uses less digits than its factorization.

161472562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4749212.

The product of its digits is 20160, while the sum is 34.

The square root of 161472562 is about 12707.1854476119. The cubic root of 161472562 is about 544.5439182983.

The spelling of 161472562 in words is "one hundred sixty-one million, four hundred seventy-two thousand, five hundred sixty-two".