164064455471451 has 8 divisors (see below), whose sum is σ = 219064665225744. Its totient is φ = 109220274682400.

The previous prime is 164064455471393. The next prime is 164064455471461. The reversal of 164064455471451 is 154174554460461.

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 164064455471451 - 2⁹ = 164064455470939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164064455471391 and 164064455471400.

It is not an unprimeable number, because it can be changed into a prime (164064455471461) 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, 39007238856 + ... + 39007243061.

It is an arithmetic number, because the mean of its divisors is an integer number (27383083153218).

Almost surely, 2^{164064455471451} is an apocalyptic number.

164064455471451 is a deficient number, since it is larger than the sum of its proper divisors (55000209754293).

164064455471451 is an equidigital number, since it uses as much as digits as its factorization.

164064455471451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78014482621.

The product of its (nonzero) digits is 32256000, while the sum is 57.

The spelling of 164064455471451 in words is "one hundred sixty-four trillion, sixty-four billion, four hundred fifty-five million, four hundred seventy-one thousand, four hundred fifty-one".