181257108006976 has 63 divisors (see below), whose sum is σ = 371665846506927. Its totient is φ = 87703436680320.

The previous prime is 181257108006847. The next prime is 181257108006977. The reversal of 181257108006976 is 679600801752181.

The square root of 181257108006976 is 13463176.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (181257108006977) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3338840505 + ... + 3338894791.

Almost surely, 2^{181257108006976} is an apocalyptic number.

181257108006976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

181257108006976 is the 13463176-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 181257108006976

181257108006976 is an abundant number, since it is smaller than the sum of its proper divisors (190408738499951).

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

181257108006976 is an frugal number, since it uses more digits than its factorization.

181257108006976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108648 (or 54320 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 61.

The spelling of 181257108006976 in words is "one hundred eighty-one trillion, two hundred fifty-seven billion, one hundred eight million, six thousand, nine hundred seventy-six".