189063768768 has 112 divisors (see below), whose sum is σ = 601782001920. Its totient is φ = 51175148544.

The previous prime is 189063768767. The next prime is 189063768769. The reversal of 189063768768 is 867867360981.

It is an interprime number because it is at equal distance from previous prime (189063768767) and next prime (189063768769).

It is a tau number, because it is divible by the number of its divisors (112).

It is not an unprimeable number, because it can be changed into a prime (189063768767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3676371 + ... + 3727442.

Almost surely, 2^189063768768 is an apocalyptic number.

It is an amenable number.

189063768768 is an abundant number, since it is smaller than the sum of its proper divisors (412718233152).

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

189063768768 is a wasteful number, since it uses less digits than its factorization.

189063768768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7403854 (or 7403844 counting only the distinct ones).

The product of its (nonzero) digits is 146313216, while the sum is 69.

The spelling of 189063768768 in words is "one hundred eighty-nine billion, sixty-three million, seven hundred sixty-eight thousand, seven hundred sixty-eight".