169672464 has 120 divisors (see below), whose sum is σ = 514888920. Its totient is φ = 51849216.

The previous prime is 169672439. The next prime is 169672469. The reversal of 169672464 is 464276961.

169672464 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1710864 + 167961600 = 1308^2 + 12960^2 .

It is not an unprimeable number, because it can be changed into a prime (169672469) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 435982 + ... + 436370.

It is an arithmetic number, because the mean of its divisors is an integer number (4290741).

Almost surely, 2^169672464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 169672464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257444460).

169672464 is an abundant number, since it is smaller than the sum of its proper divisors (345216456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

169672464 is a wasteful number, since it uses less digits than its factorization.

169672464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649 (or 640 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 169672464 is about 13025.8383223499. The cubic root of 169672464 is about 553.6098248838.

The spelling of 169672464 in words is "one hundred sixty-nine million, six hundred seventy-two thousand, four hundred sixty-four".