164464331355384 has 128 divisors (see below), whose sum is σ = 446063475916800. Its totient is φ = 50381275063680.

The previous prime is 164464331355377. The next prime is 164464331355403. The reversal of 164464331355384 is 483553133464461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32193564 + ... + 36950699.

It is an arithmetic number, because the mean of its divisors is an integer number (3484870905600).

Almost surely, 2^{164464331355384} is an apocalyptic number.

It is an amenable number.

164464331355384 is an abundant number, since it is smaller than the sum of its proper divisors (281599144561416).

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

164464331355384 is a wasteful number, since it uses less digits than its factorization.

164464331355384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69144465 (or 69144461 counting only the distinct ones).

The product of its digits is 149299200, while the sum is 60.

The spelling of 164464331355384 in words is "one hundred sixty-four trillion, four hundred sixty-four billion, three hundred thirty-one million, three hundred fifty-five thousand, three hundred eighty-four".