216111677626 has 16 divisors (see below), whose sum is σ = 350668975104. Its totient is φ = 99296566704.

The previous prime is 216111677603. The next prime is 216111677627. The reversal of 216111677626 is 626776111612.

It is not an unprimeable number, because it can be changed into a prime (216111677627) 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, 18630946 + ... + 18642541.

It is an arithmetic number, because the mean of its divisors is an integer number (21916810944).

Almost surely, 2^216111677626 is an apocalyptic number.

216111677626 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

216111677626 is a deficient number, since it is larger than the sum of its proper divisors (134557297478).

216111677626 is a wasteful number, since it uses less digits than its factorization.

216111677626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37273725.

The product of its digits is 254016, while the sum is 46.

The spelling of 216111677626 in words is "two hundred sixteen billion, one hundred eleven million, six hundred seventy-seven thousand, six hundred twenty-six".