181103364 has 240 divisors, whose sum is σ = 561594880. Its totient is φ = 50388480.

The previous prime is 181103359. The next prime is 181103371. The reversal of 181103364 is 463301181.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2480832 + ... + 2480904.

Almost surely, 2^181103364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 181103364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280797440).

181103364 is an abundant number, since it is smaller than the sum of its proper divisors (380491516).

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

181103364 is a wasteful number, since it uses less digits than its factorization.

181103364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 181103364 is about 13457.4649915948. The cubic root of 181103364 is about 565.7729405928.

The spelling of 181103364 in words is "one hundred eighty-one million, one hundred three thousand, three hundred sixty-four".