870181434166 has 8 divisors (see below), whose sum is σ = 1423933255944. Its totient is φ = 395537015520.

The previous prime is 870181434151. The next prime is 870181434167. The reversal of 870181434166 is 661434181078.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870181434167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19776850755 + ... + 19776850798.

It is an arithmetic number, because the mean of its divisors is an integer number (177991656993).

Almost surely, 2^870181434166 is an apocalyptic number.

870181434166 is a deficient number, since it is larger than the sum of its proper divisors (553751821778).

870181434166 is a wasteful number, since it uses less digits than its factorization.

870181434166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39553701566.

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 870181434166 in words is "eight hundred seventy billion, one hundred eighty-one million, four hundred thirty-four thousand, one hundred sixty-six".