10181932155396 has 81 divisors (see below), whose sum is σ = 26727570942709. Its totient is φ = 3393805075776.

The previous prime is 10181932155389. The next prime is 10181932155419. The reversal of 10181932155396 is 69355123918101.

It is a happy number.

The square root of 10181932155396 is 3190914.

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

10181932155396 is a `hidden beast` number, since 1 + 0 + 1 + 8 + 1 + 93 + 2 + 15 + 539 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1366163568900 + 8815768586496 = 1168830^2 + 2969136^2 .

It is a tau number, because it is divible by the number of its divisors (81).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 516918220 + ... + 516937916.

Almost surely, 2^{10181932155396} is an apocalyptic number.

10181932155396 is the 3190914-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10181932155396

10181932155396 is an abundant number, since it is smaller than the sum of its proper divisors (16545638787313).

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

10181932155396 is an frugal number, since it uses more digits than its factorization.

10181932155396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39422 (or 19702 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 54.

The spelling of 10181932155396 in words is "ten trillion, one hundred eighty-one billion, nine hundred thirty-two million, one hundred fifty-five thousand, three hundred ninety-six".