164030350643 has 4 divisors (see below), whose sum is σ = 164149128528. Its totient is φ = 163911572760.

The previous prime is 164030350637. The next prime is 164030350657. The reversal of 164030350643 is 346053030461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 164030350643 - 2⁸ = 164030350387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164030350633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59386871 + ... + 59389632.

It is an arithmetic number, because the mean of its divisors is an integer number (41037282132).

Almost surely, 2^164030350643 is an apocalyptic number.

164030350643 is a deficient number, since it is larger than the sum of its proper divisors (118777885).

164030350643 is a wasteful number, since it uses less digits than its factorization.

164030350643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118777884.

The product of its (nonzero) digits is 77760, while the sum is 35.

The spelling of 164030350643 in words is "one hundred sixty-four billion, thirty million, three hundred fifty thousand, six hundred forty-three".