236426161 has 4 divisors (see below), whose sum is σ = 237486592. Its totient is φ = 235365732.

The previous prime is 236426149. The next prime is 236426167. The reversal of 236426161 is 161624632.

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 236426161 - 2⁹ = 236425649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (236426167) 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, 529881 + ... + 530326.

It is an arithmetic number, because the mean of its divisors is an integer number (59371648).

Almost surely, 2^236426161 is an apocalyptic number.

It is an amenable number.

236426161 is a deficient number, since it is larger than the sum of its proper divisors (1060431).

236426161 is a wasteful number, since it uses less digits than its factorization.

236426161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060430.

The product of its digits is 10368, while the sum is 31.

The square root of 236426161 is about 15376.1555988485. The cubic root of 236426161 is about 618.3464096514.

The spelling of 236426161 in words is "two hundred thirty-six million, four hundred twenty-six thousand, one hundred sixty-one".