161010300 has 144 divisors (see below), whose sum is σ = 514467072. Its totient is φ = 38553600.

The previous prime is 161010287. The next prime is 161010341. The reversal of 161010300 is 3010161.

161010300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 319849 + ... + 320351.

It is an arithmetic number, because the mean of its divisors is an integer number (3572688).

Almost surely, 2^161010300 is an apocalyptic number.

161010300 is a gapful number since it is divisible by the number (10) 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 161010300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257233536).

161010300 is an abundant number, since it is smaller than the sum of its proper divisors (353456772).

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

161010300 is a wasteful number, since it uses less digits than its factorization.

161010300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628 (or 621 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 161010300 is about 12688.9834108174. The cubic root of 161010300 is about 544.0237833820.

Adding to 161010300 its reverse (3010161), we get a palindrome (164020461).

The spelling of 161010300 in words is "one hundred sixty-one million, ten thousand, three hundred".