161825030 has 8 divisors (see below), whose sum is σ = 291285072. Its totient is φ = 64730008.

The previous prime is 161825029. The next prime is 161825077. The reversal of 161825030 is 30528161.

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

It is a congruent number.

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, 8091242 + ... + 8091261.

It is an arithmetic number, because the mean of its divisors is an integer number (36410634).

Almost surely, 2^161825030 is an apocalyptic number.

161825030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161825030 is a deficient number, since it is larger than the sum of its proper divisors (129460042).

161825030 is a wasteful number, since it uses less digits than its factorization.

161825030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16182510.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 161825030 is about 12721.0467336615. The cubic root of 161825030 is about 544.9398469087.

It can be divided in two parts, 16182 and 5030, that added together give a palindrome (21212).

The spelling of 161825030 in words is "one hundred sixty-one million, eight hundred twenty-five thousand, thirty".