185063436100 has 27 divisors (see below), whose sum is σ = 401596991677. Its totient is φ = 74023653680.

The previous prime is 185063436083. The next prime is 185063436161. The reversal of 185063436100 is 1634360581.

The square root of 185063436100 is 430190.

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

It can be written as a sum of positive squares in only one way, i.e., 66622836996 + 118440599104 = 258114^2 + 344152^2 .

It is a super-2 number, since 2×185063436100² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 185063436100.

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, 4280391 + ... + 4323409.

Almost surely, 2^185063436100 is an apocalyptic number.

185063436100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

185063436100 is the 430190-th square number.

It is an amenable number.

185063436100 is an abundant number, since it is smaller than the sum of its proper divisors (216533555577).

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

185063436100 is an frugal number, since it uses more digits than its factorization.

185063436100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86052 (or 43026 counting only the distinct ones).

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

Adding to 185063436100 its reverse (1634360581), we get a palindrome (186697796681).

The spelling of 185063436100 in words is "one hundred eighty-five billion, sixty-three million, four hundred thirty-six thousand, one hundred".