164069953243 has 32 divisors (see below), whose sum is σ = 203461632000. Its totient is φ = 129175889184.

The previous prime is 164069953207. The next prime is 164069953279. The reversal of 164069953243 is 342359960461.

It is an interprime number because it is at equal distance from previous prime (164069953207) and next prime (164069953279).

It is a cyclic number.

It is not a de Polignac number, because 164069953243 - 2⁹ = 164069952731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164069953343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 546208 + ... + 791506.

It is an arithmetic number, because the mean of its divisors is an integer number (6358176000).

Almost surely, 2^164069953243 is an apocalyptic number.

164069953243 is a deficient number, since it is larger than the sum of its proper divisors (39391678757).

164069953243 is a wasteful number, since it uses less digits than its factorization.

164069953243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245479.

The product of its (nonzero) digits is 4199040, while the sum is 52.

The spelling of 164069953243 in words is "one hundred sixty-four billion, sixty-nine million, nine hundred fifty-three thousand, two hundred forty-three".