16622165064 has 32 divisors (see below), whose sum is σ = 41858745120. Its totient is φ = 5500277376.

The previous prime is 16622165057. The next prime is 16622165069. The reversal of 16622165064 is 46056122661.

It is not an unprimeable number, because it can be changed into a prime (16622165069) 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, 2524414 + ... + 2530989.

It is an arithmetic number, because the mean of its divisors is an integer number (1308085785).

Almost surely, 2^16622165064 is an apocalyptic number.

It is an amenable number.

16622165064 is an abundant number, since it is smaller than the sum of its proper divisors (25236580056).

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

16622165064 is a wasteful number, since it uses less digits than its factorization.

16622165064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055549 (or 5055545 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 16622165064 in words is "sixteen billion, six hundred twenty-two million, one hundred sixty-five thousand, sixty-four".