183494986272 has 144 divisors (see below), whose sum is σ = 562363041240. Its totient is φ = 56418840576.

The previous prime is 183494986271. The next prime is 183494986303. The reversal of 183494986272 is 272689494381.

183494986272 is a `hidden beast` number, since 1 + 83 + 4 + 9 + 498 + 62 + 7 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 130006398096 + 53488588176 = 360564^2 + 231276^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×183494986272² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (183494986271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5333028 + ... + 5367324.

Almost surely, 2^183494986272 is an apocalyptic number.

183494986272 is a gapful number since it is divisible by the number (12) 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 183494986272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281181520620).

183494986272 is an abundant number, since it is smaller than the sum of its proper divisors (378868054968).

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

183494986272 is a wasteful number, since it uses less digits than its factorization.

183494986272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35755 (or 35744 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 63.

The spelling of 183494986272 in words is "one hundred eighty-three billion, four hundred ninety-four million, nine hundred eighty-six thousand, two hundred seventy-two".