80169406 has 4 divisors (see below), whose sum is σ = 120254112. Its totient is φ = 40084702.

The previous prime is 80169389. The next prime is 80169407. The reversal of 80169406 is 60496108.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80169407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20042350 + ... + 20042353.

It is an arithmetic number, because the mean of its divisors is an integer number (30063528).

Almost surely, 2^80169406 is an apocalyptic number.

80169406 is a deficient number, since it is larger than the sum of its proper divisors (40084706).

80169406 is a wasteful number, since it uses less digits than its factorization.

80169406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40084705.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 80169406 is about 8953.7369851923. The cubic root of 80169406 is about 431.1908687111.

It can be divided in two parts, 801 and 69406, that added together give a palindrome (70207).

The spelling of 80169406 in words is "eighty million, one hundred sixty-nine thousand, four hundred six".