181046846016 has 63 divisors (see below), whose sum is σ = 518967367321. Its totient is φ = 60345544704.

The previous prime is 181046845951. The next prime is 181046846021. The reversal of 181046846016 is 610648640181.

The square root of 181046846016 is 425496.

It is a perfect power (a square), and thus also a powerful number.

181046846016 is a `hidden beast` number, since 18 + 104 + 68 + 460 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 121588900416 + 59457945600 = 348696^2 + 243840^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10203040 + ... + 10220768.

Almost surely, 2^181046846016 is an apocalyptic number.

181046846016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

181046846016 is the 425496-th square number.

It is an amenable number.

181046846016 is an abundant number, since it is smaller than the sum of its proper divisors (337920521305).

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

181046846016 is an frugal number, since it uses more digits than its factorization.

181046846016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35476 (or 17734 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 181046846016 in words is "one hundred eighty-one billion, forty-six million, eight hundred forty-six thousand, sixteen".