89610161 has 4 divisors (see below), whose sum is σ = 89746800. Its totient is φ = 89473524.

The previous prime is 89610113. The next prime is 89610167. The reversal of 89610161 is 16101698.

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 89610161 - 2¹⁰ = 89609137 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89610167) 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, 67331 + ... + 68648.

It is an arithmetic number, because the mean of its divisors is an integer number (22436700).

Almost surely, 2^89610161 is an apocalyptic number.

It is an amenable number.

89610161 is a deficient number, since it is larger than the sum of its proper divisors (136639).

89610161 is a wasteful number, since it uses less digits than its factorization.

89610161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136638.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 89610161 is about 9466.2643635174. The cubic root of 89610161 is about 447.4924913693.

It can be divided in two parts, 8 and 9610161, that added together give a palindrome (9610169).

The spelling of 89610161 in words is "eighty-nine million, six hundred ten thousand, one hundred sixty-one".