89706683161 has 4 divisors (see below), whose sum is σ = 89796660772. Its totient is φ = 89616705552.

The previous prime is 89706683147. The next prime is 89706683167. The reversal of 89706683161 is 16138660798.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 64637977600 + 25068705561 = 254240^2 + 158331^2 .

It is a cyclic number.

It is not a de Polignac number, because 89706683161 - 2³¹ = 87559199513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89706683167) 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, 44987310 + ... + 44989303.

It is an arithmetic number, because the mean of its divisors is an integer number (22449165193).

Almost surely, 2^89706683161 is an apocalyptic number.

It is an amenable number.

89706683161 is a deficient number, since it is larger than the sum of its proper divisors (89977611).

89706683161 is an equidigital number, since it uses as much as digits as its factorization.

89706683161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89977610.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 89706683161 in words is "eighty-nine billion, seven hundred six million, six hundred eighty-three thousand, one hundred sixty-one".