164720450608 has 20 divisors (see below), whose sum is σ = 364738140880. Its totient is φ = 70594478784.

The previous prime is 164720450597. The next prime is 164720450621. The reversal of 164720450608 is 806054027461.

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, 735359043 + ... + 735359266.

It is an arithmetic number, because the mean of its divisors is an integer number (18236907044).

Almost surely, 2^164720450608 is an apocalyptic number.

It is an amenable number.

164720450608 is an abundant number, since it is smaller than the sum of its proper divisors (200017690272).

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

164720450608 is a wasteful number, since it uses less digits than its factorization.

164720450608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470718324 (or 1470718318 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 164720450608 in words is "one hundred sixty-four billion, seven hundred twenty million, four hundred fifty thousand, six hundred eight".