164421980600 has 48 divisors (see below), whose sum is σ = 382872258000. Its totient is φ = 65667088640.

The previous prime is 164421980557. The next prime is 164421980603. The reversal of 164421980600 is 6089124461.

It is a super-3 number, since 3×164421980600³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164421980603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 505925 + ... + 764724.

It is an arithmetic number, because the mean of its divisors is an integer number (7976505375).

Almost surely, 2^164421980600 is an apocalyptic number.

164421980600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164421980600 is an abundant number, since it is smaller than the sum of its proper divisors (218450277400).

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

164421980600 is a wasteful number, since it uses less digits than its factorization.

164421980600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271312 (or 1271303 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 164421980600 in words is "one hundred sixty-four billion, four hundred twenty-one million, nine hundred eighty thousand, six hundred".