161294300 has 72 divisors (see below), whose sum is σ = 375600960. Its totient is φ = 59904000.

The previous prime is 161294299. The next prime is 161294383. The reversal of 161294300 is 3492161.

It is a self number, because there is not a number n which added to its sum of digits gives 161294300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133700 + ... + 134900.

It is an arithmetic number, because the mean of its divisors is an integer number (5216680).

Almost surely, 2^161294300 is an apocalyptic number.

161294300 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 161294300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187800480).

161294300 is an abundant number, since it is smaller than the sum of its proper divisors (214306660).

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

161294300 is a wasteful number, since it uses less digits than its factorization.

161294300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311 (or 1304 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 161294300 is about 12700.1692902103. The cubic root of 161294300 is about 544.3434565186.

The spelling of 161294300 in words is "one hundred sixty-one million, two hundred ninety-four thousand, three hundred".