669340133 has 16 divisors (see below), whose sum is σ = 883592064. Its totient is φ = 490882560.

The previous prime is 669340123. The next prime is 669340153. The reversal of 669340133 is 331043966.

It is not a de Polignac number, because 669340133 - 2²⁶ = 602231269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 669340093 and 669340102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669340123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254360 + ... + 256977.

It is an arithmetic number, because the mean of its divisors is an integer number (55224504).

Almost surely, 2^669340133 is an apocalyptic number.

It is an amenable number.

669340133 is a deficient number, since it is larger than the sum of its proper divisors (214251931).

669340133 is a wasteful number, since it uses less digits than its factorization.

669340133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511372.

The product of its (nonzero) digits is 34992, while the sum is 35.

The square root of 669340133 is about 25871.6086279922. The cubic root of 669340133 is about 874.7466512235.

The spelling of 669340133 in words is "six hundred sixty-nine million, three hundred forty thousand, one hundred thirty-three".