235161672391 has 2 divisors, whose sum is σ = 235161672392. Its totient is φ = 235161672390.

The previous prime is 235161672377. The next prime is 235161672437. The reversal of 235161672391 is 193276161532.

It is an a-pointer prime, because the next prime (235161672437) can be obtained adding 235161672391 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 235161672391 - 2¹⁷ = 235161541319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235161672331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117580836195 + 117580836196.

It is an arithmetic number, because the mean of its divisors is an integer number (117580836196).

Almost surely, 2^235161672391 is an apocalyptic number.

235161672391 is a deficient number, since it is larger than the sum of its proper divisors (1).

235161672391 is an equidigital number, since it uses as much as digits as its factorization.

235161672391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 46.

The spelling of 235161672391 in words is "two hundred thirty-five billion, one hundred sixty-one million, six hundred seventy-two thousand, three hundred ninety-one".