14164632021 has 16 divisors (see below), whose sum is σ = 19329153536. Its totient is φ = 9221684976.

The previous prime is 14164631947. The next prime is 14164632059. The reversal of 14164632021 is 12023646141.

It is not a de Polignac number, because 14164632021 - 2¹³ = 14164623829 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14164632021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14164632061) 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, 1098216 + ... + 1111038.

It is an arithmetic number, because the mean of its divisors is an integer number (1208072096).

Almost surely, 2^14164632021 is an apocalyptic number.

It is an amenable number.

14164632021 is a deficient number, since it is larger than the sum of its proper divisors (5164521515).

14164632021 is a wasteful number, since it uses less digits than its factorization.

14164632021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21432.

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 14164632021 in words is "fourteen billion, one hundred sixty-four million, six hundred thirty-two thousand, twenty-one".