164245210305664 has 32 divisors (see below), whose sum is σ = 330384024397440. Its totient is φ = 81325298300160.

The previous prime is 164245210305653. The next prime is 164245210305679. The reversal of 164245210305664 is 466503012542461.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6228946552 + ... + 6228972919.

It is an arithmetic number, because the mean of its divisors is an integer number (10324500762420).

Almost surely, 2^{164245210305664} is an apocalyptic number.

It is an amenable number.

164245210305664 is an abundant number, since it is smaller than the sum of its proper divisors (166138814091776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164245210305664 is a wasteful number, since it uses less digits than its factorization.

164245210305664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12457919588 (or 12457919576 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 49.

The spelling of 164245210305664 in words is "one hundred sixty-four trillion, two hundred forty-five billion, two hundred ten million, three hundred five thousand, six hundred sixty-four".