189073147776 has 64 divisors (see below), whose sum is σ = 528658492800. Its totient is φ = 59707307520.

The previous prime is 189073147771. The next prime is 189073147801. The reversal of 189073147776 is 677741370981.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189073147771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12950020 + ... + 12964611.

It is an arithmetic number, because the mean of its divisors is an integer number (8260288950).

Almost surely, 2^189073147776 is an apocalyptic number.

189073147776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

189073147776 is an abundant number, since it is smaller than the sum of its proper divisors (339585345024).

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

189073147776 is a wasteful number, since it uses less digits than its factorization.

189073147776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25914667 (or 25914655 counting only the distinct ones).

The product of its (nonzero) digits is 12446784, while the sum is 60.

The spelling of 189073147776 in words is "one hundred eighty-nine billion, seventy-three million, one hundred forty-seven thousand, seven hundred seventy-six".