16181272622 has 64 divisors (see below), whose sum is σ = 27147960000. Its totient is φ = 7197775872.

The previous prime is 16181272621. The next prime is 16181272631. The reversal of 16181272622 is 22627218161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16181272621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20302328 + ... + 20303124.

It is an arithmetic number, because the mean of its divisors is an integer number (424186875).

Almost surely, 2^16181272622 is an apocalyptic number.

16181272622 is a deficient number, since it is larger than the sum of its proper divisors (10966687378).

16181272622 is a wasteful number, since it uses less digits than its factorization.

16181272622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253.

The product of its digits is 32256, while the sum is 38.

The spelling of 16181272622 in words is "sixteen billion, one hundred eighty-one million, two hundred seventy-two thousand, six hundred twenty-two".