32164645422 has 64 divisors (see below), whose sum is σ = 83831860224. Its totient is φ = 7983982080.

The previous prime is 32164645397. The next prime is 32164645423. The reversal of 32164645422 is 22454646123.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32164645423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1723354 + ... + 1741917.

It is an arithmetic number, because the mean of its divisors is an integer number (1309872816).

Almost surely, 2^32164645422 is an apocalyptic number.

32164645422 is an abundant number, since it is smaller than the sum of its proper divisors (51667214802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32164645422 is a wasteful number, since it uses less digits than its factorization.

32164645422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3465313.

The product of its digits is 276480, while the sum is 39.

The spelling of 32164645422 in words is "thirty-two billion, one hundred sixty-four million, six hundred forty-five thousand, four hundred twenty-two".