169048481 has 6 divisors (see below), whose sum is σ = 196648290. Its totient is φ = 144898656.

The previous prime is 169048471. The next prime is 169048513. The reversal of 169048481 is 184840961.

It can be written as a sum of positive squares in only one way, i.e., 139617856 + 29430625 = 11816^2 + 5425^2 .

It is a de Polignac number, because none of the positive numbers 2^k-169048481 is a prime.

It is a super-2 number, since 2×169048481² = 57154777856814722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (169048421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1724936 + ... + 1725033.

It is an arithmetic number, because the mean of its divisors is an integer number (32774715).

Almost surely, 2^169048481 is an apocalyptic number.

It is an amenable number.

169048481 is a deficient number, since it is larger than the sum of its proper divisors (27599809).

169048481 is an equidigital number, since it uses as much as digits as its factorization.

169048481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3449983 (or 3449976 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 169048481 is about 13001.8645201371. The cubic root of 169048481 is about 552.9303442683.

The spelling of 169048481 in words is "one hundred sixty-nine million, forty-eight thousand, four hundred eighty-one".