21173164301 has 8 divisors (see below), whose sum is σ = 22436878464. Its totient is φ = 19911476160.

The previous prime is 21173164291. The next prime is 21173164307. The reversal of 21173164301 is 10346137112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21173164301 - 2⁶ = 21173164237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21173164307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484955 + ... + 526808.

It is an arithmetic number, because the mean of its divisors is an integer number (2804609808).

Almost surely, 2^21173164301 is an apocalyptic number.

It is an amenable number.

21173164301 is a deficient number, since it is larger than the sum of its proper divisors (1263714163).

21173164301 is a wasteful number, since it uses less digits than its factorization.

21173164301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013011.

The product of its (nonzero) digits is 3024, while the sum is 29.

The spelling of 21173164301 in words is "twenty-one billion, one hundred seventy-three million, one hundred sixty-four thousand, three hundred one".