189216512472 has 32 divisors (see below), whose sum is σ = 509429072880. Its totient is φ = 58220465280.

The previous prime is 189216512431. The next prime is 189216512519. The reversal of 189216512472 is 274215612981.

189216512472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 303231279 + ... + 303231902.

Almost surely, 2^189216512472 is an apocalyptic number.

189216512472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

189216512472 is an abundant number, since it is smaller than the sum of its proper divisors (320212560408).

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

189216512472 is a wasteful number, since it uses less digits than its factorization.

189216512472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606463203 (or 606463199 counting only the distinct ones).

The product of its digits is 483840, while the sum is 48.

The spelling of 189216512472 in words is "one hundred eighty-nine billion, two hundred sixteen million, five hundred twelve thousand, four hundred seventy-two".