64608621276169 has 8 divisors (see below), whose sum is σ = 64629791658432. Its totient is φ = 64587453868080.

The previous prime is 64608621276151. The next prime is 64608621276209. The reversal of 64608621276169 is 96167212680646.

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 64608621276169 - 2⁵ = 64608621276137 is a prime.

It is a super-2 number, since 2×64608621276169² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64608621276169.

It is not an unprimeable number, because it can be changed into a prime (64608621276569) 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, 43133212 + ... + 44605954.

It is an arithmetic number, because the mean of its divisors is an integer number (8078723957304).

Almost surely, 2^{64608621276169} is an apocalyptic number.

It is an amenable number.

64608621276169 is a deficient number, since it is larger than the sum of its proper divisors (21170382263).

64608621276169 is a wasteful number, since it uses less digits than its factorization.

64608621276169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487087.

The product of its (nonzero) digits is 62705664, while the sum is 64.

The spelling of 64608621276169 in words is "sixty-four trillion, six hundred eight billion, six hundred twenty-one million, two hundred seventy-six thousand, one hundred sixty-nine".