84162169 has 12 divisors (see below), whose sum is σ = 104154816. Its totient is φ = 66588912.

The previous prime is 84162167. The next prime is 84162173. The reversal of 84162169 is 96126148.

It is a happy number.

It is not a de Polignac number, because 84162169 - 2¹ = 84162167 is a prime.

It is a super-2 number, since 2×84162169² = 14166541381569122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84162167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34389 + ... + 36754.

It is an arithmetic number, because the mean of its divisors is an integer number (8679568).

Almost surely, 2^84162169 is an apocalyptic number.

It is an amenable number.

84162169 is a deficient number, since it is larger than the sum of its proper divisors (19992647).

84162169 is a wasteful number, since it uses less digits than its factorization.

84162169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71176 (or 71163 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 84162169 is about 9173.9941682999. The cubic root of 84162169 is about 438.2335670369.

It can be divided in two parts, 8416 and 2169, that added together give a triangular number (10585 = T₁₄₅).

The spelling of 84162169 in words is "eighty-four million, one hundred sixty-two thousand, one hundred sixty-nine".