84160669 has 4 divisors (see below), whose sum is σ = 84286396. Its totient is φ = 84034944.

The previous prime is 84160667. The next prime is 84160679. The reversal of 84160669 is 96606148.

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 19035769 + 65124900 = 4363^2 + 8070^2 .

It is a cyclic number.

It is not a de Polignac number, because 84160669 - 2¹ = 84160667 is a prime.

It is a super-2 number, since 2×84160669² = 14166036413055122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84160667) 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, 61854 + ... + 63199.

It is an arithmetic number, because the mean of its divisors is an integer number (21071599).

Almost surely, 2^84160669 is an apocalyptic number.

It is an amenable number.

84160669 is a deficient number, since it is larger than the sum of its proper divisors (125727).

84160669 is a wasteful number, since it uses less digits than its factorization.

84160669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125726.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 84160669 is about 9173.9124151040. The cubic root of 84160669 is about 438.2309635146.

The spelling of 84160669 in words is "eighty-four million, one hundred sixty thousand, six hundred sixty-nine".