164849671503 has 16 divisors (see below), whose sum is σ = 266423712000. Its totient is φ = 99908891640.

The previous prime is 164849671487. The next prime is 164849671523. The reversal of 164849671503 is 305176948461.

164849671503 is a `hidden beast` number, since 1 + 6 + 48 + 4 + 96 + 7 + 1 + 503 = 666.

It is not a de Polignac number, because 164849671503 - 2⁴ = 164849671487 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 164849671503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164849671523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277524403 + ... + 277524996.

It is an arithmetic number, because the mean of its divisors is an integer number (16651482000).

Almost surely, 2^164849671503 is an apocalyptic number.

164849671503 is a deficient number, since it is larger than the sum of its proper divisors (101574040497).

164849671503 is a wasteful number, since it uses less digits than its factorization.

164849671503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555049419 (or 555049413 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 164849671503 in words is "one hundred sixty-four billion, eight hundred forty-nine million, six hundred seventy-one thousand, five hundred three".