186980137744 has 45 divisors (see below), whose sum is σ = 384898324597. Its totient is φ = 87976815872.

The previous prime is 186980137709. The next prime is 186980137789. The reversal of 186980137744 is 447731089681.

It is a happy number.

The square root of 186980137744 is 432412.

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., 145572771600 + 41407366144 = 381540^2 + 203488^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 29400837 + ... + 29407195.

Almost surely, 2^186980137744 is an apocalyptic number.

186980137744 is the 432412-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 186980137744

186980137744 is an abundant number, since it is smaller than the sum of its proper divisors (197918186853).

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

186980137744 is an frugal number, since it uses more digits than its factorization.

186980137744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12760 (or 6378 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 58.

The spelling of 186980137744 in words is "one hundred eighty-six billion, nine hundred eighty million, one hundred thirty-seven thousand, seven hundred forty-four".