64169 has 8 divisors (see below), whose sum is σ = 74880. Its totient is φ = 53856.

The previous prime is 64157. The next prime is 64171. The reversal of 64169 is 96146.

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

It is a cyclic number.

It is not a de Polignac number, because 64169 - 2⁴ = 64153 is a prime.

It is a super-2 number, since 2×64169² = 8235321122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 4 and base 16.

It is not an unprimeable number, because it can be changed into a prime (64109) 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, 572 + ... + 674.

It is an arithmetic number, because the mean of its divisors is an integer number (9360).

2⁶⁴¹⁶⁹ is an apocalyptic number.

It is an amenable number.

64169 is a deficient number, since it is larger than the sum of its proper divisors (10711).

64169 is a wasteful number, since it uses less digits than its factorization.

64169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199.

The product of its digits is 1296, while the sum is 26.

The square root of 64169 is about 253.3160081795. The cubic root of 64169 is about 40.0351773880.

It can be divided in two parts, 64 and 169, that multiplied together give a square (10816 = 104²).

The spelling of 64169 in words is "sixty-four thousand, one hundred sixty-nine".