164647790206 has 8 divisors (see below), whose sum is σ = 247017125880. Its totient is φ = 82308748248.

The previous prime is 164647790189. The next prime is 164647790221. The reversal of 164647790206 is 602097746461.

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

It is a congruent number.

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, 7559836 + ... + 7581583.

It is an arithmetic number, because the mean of its divisors is an integer number (30877140735).

Almost surely, 2^164647790206 is an apocalyptic number.

164647790206 is a deficient number, since it is larger than the sum of its proper divisors (82369335674).

164647790206 is a wasteful number, since it uses less digits than its factorization.

164647790206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15146858.

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 164647790206 in words is "one hundred sixty-four billion, six hundred forty-seven million, seven hundred ninety thousand, two hundred six".