164624311244 has 24 divisors (see below), whose sum is σ = 290122602000. Its totient is φ = 81732845376.

The previous prime is 164624311231. The next prime is 164624311249. The reversal of 164624311244 is 442113426461.

It is a super-2 number, since 2×164624311244² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 164624311198 and 164624311207.

It is not an unprimeable number, because it can be changed into a prime (164624311249) 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, 853934 + ... + 1028810.

It is an arithmetic number, because the mean of its divisors is an integer number (12088441750).

Almost surely, 2^164624311244 is an apocalyptic number.

It is an amenable number.

164624311244 is a deficient number, since it is larger than the sum of its proper divisors (125498290756).

164624311244 is a wasteful number, since it uses less digits than its factorization.

164624311244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176537 (or 176535 counting only the distinct ones).

The product of its digits is 110592, while the sum is 38.

The spelling of 164624311244 in words is "one hundred sixty-four billion, six hundred twenty-four million, three hundred eleven thousand, two hundred forty-four".