164503654906 has 32 divisors (see below), whose sum is σ = 267479283456. Its totient is φ = 75675600000.

The previous prime is 164503654891. The next prime is 164503654927. The reversal of 164503654906 is 609456305461.

It is a super-2 number, since 2×164503654906² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 164503654906.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480345 + ... + 748156.

It is an arithmetic number, because the mean of its divisors is an integer number (8358727608).

Almost surely, 2^164503654906 is an apocalyptic number.

164503654906 is a deficient number, since it is larger than the sum of its proper divisors (102975628550).

164503654906 is a wasteful number, since it uses less digits than its factorization.

164503654906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228638.

The product of its (nonzero) digits is 2332800, while the sum is 49.

The spelling of 164503654906 in words is "one hundred sixty-four billion, five hundred three million, six hundred fifty-four thousand, nine hundred six".