164663212364 has 24 divisors (see below), whose sum is σ = 334725222048. Its totient is φ = 69413063040.

The previous prime is 164663212361. The next prime is 164663212379. The reversal of 164663212364 is 463212366461.

It is a super-2 number, since 2×164663212364² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (164663212361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48201809 + ... + 48205224.

It is an arithmetic number, because the mean of its divisors is an integer number (13946884252).

Almost surely, 2^164663212364 is an apocalyptic number.

164663212364 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

164663212364 is an abundant number, since it is smaller than the sum of its proper divisors (170062009684).

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

164663212364 is a wasteful number, since it uses less digits than its factorization.

164663212364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96407105 (or 96407103 counting only the distinct ones).

The product of its digits is 746496, while the sum is 44.

The spelling of 164663212364 in words is "one hundred sixty-four billion, six hundred sixty-three million, two hundred twelve thousand, three hundred sixty-four".