164145263003 has 4 divisors (see below), whose sum is σ = 164151349128. Its totient is φ = 164139176880.

The previous prime is 164145262991. The next prime is 164145263021. The reversal of 164145263003 is 300362541461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300362541461 = 17827 ⋅16848743.

It is a cyclic number.

It is not a de Polignac number, because 164145263003 - 2¹⁰ = 164145261979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164145265003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3002426 + ... + 3056607.

It is an arithmetic number, because the mean of its divisors is an integer number (41037837282).

Almost surely, 2^164145263003 is an apocalyptic number.

164145263003 is a deficient number, since it is larger than the sum of its proper divisors (6086125).

164145263003 is an equidigital number, since it uses as much as digits as its factorization.

164145263003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6086124.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 164145263003 in words is "one hundred sixty-four billion, one hundred forty-five million, two hundred sixty-three thousand, three".