187969070916 has 81 divisors (see below), whose sum is σ = 522345280093. Its totient is φ = 56951653440.

The previous prime is 187969070903. The next prime is 187969070917. The reversal of 187969070916 is 619070969781.

The square root of 187969070916 is 433554.

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

187969070916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 169123272516 + 18845798400 = 411246^2 + 137280^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (187969070917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 28611280 + ... + 28617848.

Almost surely, 2^187969070916 is an apocalyptic number.

187969070916 is the 433554-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 187969070916

187969070916 is an abundant number, since it is smaller than the sum of its proper divisors (334376209177).

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

187969070916 is an equidigital number, since it uses as much as digits as its factorization.

187969070916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13170 (or 6585 counting only the distinct ones).

The product of its (nonzero) digits is 10287648, while the sum is 63.

The spelling of 187969070916 in words is "one hundred eighty-seven billion, nine hundred sixty-nine million, seventy thousand, nine hundred sixteen".