164544502043 has 2 divisors, whose sum is σ = 164544502044. Its totient is φ = 164544502042.

The previous prime is 164544502037. The next prime is 164544502051. The reversal of 164544502043 is 340205445461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164544502043 - 2¹² = 164544497947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164544501988 and 164544502006.

It is not a weakly prime, because it can be changed into another prime (164544502093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82272251021 + 82272251022.

It is an arithmetic number, because the mean of its divisors is an integer number (82272251022).

Almost surely, 2^164544502043 is an apocalyptic number.

164544502043 is a deficient number, since it is larger than the sum of its proper divisors (1).

164544502043 is an equidigital number, since it uses as much as digits as its factorization.

164544502043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 164544502043 in words is "one hundred sixty-four billion, five hundred forty-four million, five hundred two thousand, forty-three".