164505256413 has 8 divisors (see below), whose sum is σ = 232242715008. Its totient is φ = 103218984384.

The previous prime is 164505256397. The next prime is 164505256427. The reversal of 164505256413 is 314652505461.

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

It is not a de Polignac number, because 164505256413 - 2⁴ = 164505256397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164505206413) 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, 1612796581 + ... + 1612796682.

It is an arithmetic number, because the mean of its divisors is an integer number (29030339376).

Almost surely, 2^164505256413 is an apocalyptic number.

It is an amenable number.

164505256413 is a deficient number, since it is larger than the sum of its proper divisors (67737458595).

164505256413 is a wasteful number, since it uses less digits than its factorization.

164505256413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3225593283.

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 164505256413 in words is "one hundred sixty-four billion, five hundred five million, two hundred fifty-six thousand, four hundred thirteen".