115400166436 has 27 divisors (see below), whose sum is σ = 209189941779. Its totient is φ = 55700913408.

The previous prime is 115400166419. The next prime is 115400166437. The reversal of 115400166436 is 634661004511.

The square root of 115400166436 is 339706.

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

It can be written as a sum of positive squares in 4 ways, for example, as 34029180900 + 81370985536 = 184470^2 + 285256^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115400166395 and 115400166404.

It is not an unprimeable number, because it can be changed into a prime (115400166437) 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, 19700020 + ... + 19705876.

Almost surely, 2^115400166436 is an apocalyptic number.

115400166436 is the 339706-th square number.

It is an amenable number.

115400166436 is a deficient number, since it is larger than the sum of its proper divisors (93789775343).

115400166436 is an frugal number, since it uses more digits than its factorization.

115400166436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11776 (or 5888 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 115400166436 in words is "one hundred fifteen billion, four hundred million, one hundred sixty-six thousand, four hundred thirty-six".