164240222335244 has 72 divisors (see below), whose sum is σ = 340824564873408. Its totient is φ = 68629168661760.

The previous prime is 164240222335207. The next prime is 164240222335271. The reversal of 164240222335244 is 442533222042461.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 164240222335195 and 164240222335204.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149639594 + ... + 150733169.

Almost surely, 2^{164240222335244} is an apocalyptic number.

It is an amenable number.

164240222335244 is an abundant number, since it is smaller than the sum of its proper divisors (176584342538164).

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

164240222335244 is a wasteful number, since it uses less digits than its factorization.

164240222335244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300372855 (or 300372836 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 44.

The spelling of 164240222335244 in words is "one hundred sixty-four trillion, two hundred forty billion, two hundred twenty-two million, three hundred thirty-five thousand, two hundred forty-four".