234180971855 has 16 divisors (see below), whose sum is σ = 293503746240. Its totient is φ = 179035304448.

The previous prime is 234180971851. The next prime is 234180971863. The reversal of 234180971855 is 558179081432.

It is a cyclic number.

It is not a de Polignac number, because 234180971855 - 2² = 234180971851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 234180971797 and 234180971806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234180971851) 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, 805850 + ... + 1057239.

It is an arithmetic number, because the mean of its divisors is an integer number (18343984140).

Almost surely, 2^234180971855 is an apocalyptic number.

234180971855 is a deficient number, since it is larger than the sum of its proper divisors (59322774385).

234180971855 is a wasteful number, since it uses less digits than its factorization.

234180971855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864210.

The product of its (nonzero) digits is 2419200, while the sum is 53.

The spelling of 234180971855 in words is "two hundred thirty-four billion, one hundred eighty million, nine hundred seventy-one thousand, eight hundred fifty-five".