161052530 has 8 divisors (see below), whose sum is σ = 289894572. Its totient is φ = 64421008.

The previous prime is 161052511. The next prime is 161052553. The reversal of 161052530 is 35250161.

161052530 is digitally balanced in base 3, 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 158482921 + 2569609 = 12589^2 + 1603^2 .

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

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 161052496 and 161052505.

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, 8052617 + ... + 8052636.

Almost surely, 2^161052530 is an apocalyptic number.

161052530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161052530 is a deficient number, since it is larger than the sum of its proper divisors (128842042).

161052530 is a wasteful number, since it uses less digits than its factorization.

161052530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16105260.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 161052530 is about 12690.6473436149. The cubic root of 161052530 is about 544.0713416565.

The spelling of 161052530 in words is "one hundred sixty-one million, fifty-two thousand, five hundred thirty".