164405032663 has 2 divisors, whose sum is σ = 164405032664. Its totient is φ = 164405032662.

The previous prime is 164405032651. The next prime is 164405032691. The reversal of 164405032663 is 366230504461.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164405032663 is a prime.

It is a super-3 number, since 3×164405032663³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164405732663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82202516331 + 82202516332.

It is an arithmetic number, because the mean of its divisors is an integer number (82202516332).

Almost surely, 2^164405032663 is an apocalyptic number.

164405032663 is a deficient number, since it is larger than the sum of its proper divisors (1).

164405032663 is an equidigital number, since it uses as much as digits as its factorization.

164405032663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 164405032663 in words is "one hundred sixty-four billion, four hundred five million, thirty-two thousand, six hundred sixty-three".