216027721171626 has 64 divisors (see below), whose sum is σ = 532073531136000. Its totient is φ = 56940809754816.

The previous prime is 216027721171477. The next prime is 216027721171667. The reversal of 216027721171626 is 626171127720612.

216027721171626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115510006 + ... + 117365313.

It is an arithmetic number, because the mean of its divisors is an integer number (8313648924000).

Almost surely, 2^{216027721171626} is an apocalyptic number.

216027721171626 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

216027721171626 is an abundant number, since it is smaller than the sum of its proper divisors (316045809964374).

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

216027721171626 is a wasteful number, since it uses less digits than its factorization.

216027721171626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232877043.

The product of its (nonzero) digits is 1185408, while the sum is 51.

The spelling of 216027721171626 in words is "two hundred sixteen trillion, twenty-seven billion, seven hundred twenty-one million, one hundred seventy-one thousand, six hundred twenty-six".