8161485 has 8 divisors (see below), whose sum is σ = 13058400. Its totient is φ = 4352784.

The previous prime is 8161477. The next prime is 8161487. The reversal of 8161485 is 5841618.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8161485 - 2³ = 8161477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8161487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272035 + ... + 272064.

It is an arithmetic number, because the mean of its divisors is an integer number (1632300).

Almost surely, 2^8161485 is an apocalyptic number.

It is an amenable number.

8161485 is a deficient number, since it is larger than the sum of its proper divisors (4896915).

8161485 is a wasteful number, since it uses less digits than its factorization.

8161485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544107.

The product of its digits is 7680, while the sum is 33.

The square root of 8161485 is about 2856.8312865831. The cubic root of 8161485 is about 201.3367538732.

It can be divided in two parts, 8161 and 485, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 8161485 in words is "eight million, one hundred sixty-one thousand, four hundred eighty-five".