326420551164447 has 6 divisors (see below), whose sum is σ = 471496351681992. Its totient is φ = 217613700776292.

The previous prime is 326420551164437. The next prime is 326420551164469. The reversal of 326420551164447 is 744461155024623.

326420551164447 is a `hidden beast` number, since 3 + 2 + 6 + 4 + 2 + 0 + 551 + 1 + 6 + 44 + 47 = 666.

It is not a de Polignac number, because 326420551164447 - 2⁴ = 326420551164431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 326420551164393 and 326420551164402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326420551164437) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18134475064683 + ... + 18134475064700.

It is an arithmetic number, because the mean of its divisors is an integer number (78582725280332).

Almost surely, 2^{326420551164447} is an apocalyptic number.

326420551164447 is a deficient number, since it is larger than the sum of its proper divisors (145075800517545).

326420551164447 is a wasteful number, since it uses less digits than its factorization.

326420551164447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36268950129389 (or 36268950129386 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 54.

The spelling of 326420551164447 in words is "three hundred twenty-six trillion, four hundred twenty billion, five hundred fifty-one million, one hundred sixty-four thousand, four hundred forty-seven".