233116973161 has 4 divisors (see below), whose sum is σ = 234419302800. Its totient is φ = 231814643524.

The previous prime is 233116973147. The next prime is 233116973189. The reversal of 233116973161 is 161379611332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 233116973161 - 2²¹ = 233114876009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233116973101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 651164551 + ... + 651164908.

It is an arithmetic number, because the mean of its divisors is an integer number (58604825700).

Almost surely, 2^233116973161 is an apocalyptic number.

It is an amenable number.

233116973161 is a deficient number, since it is larger than the sum of its proper divisors (1302329639).

233116973161 is a wasteful number, since it uses less digits than its factorization.

233116973161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302329638.

The product of its digits is 122472, while the sum is 43.

The spelling of 233116973161 in words is "two hundred thirty-three billion, one hundred sixteen million, nine hundred seventy-three thousand, one hundred sixty-one".