216125546 has 32 divisors (see below), whose sum is σ = 399893760. Its totient is φ = 85309056.

The previous prime is 216125537. The next prime is 216125563. The reversal of 216125546 is 645521612.

216125546 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102515 + ... + 104601.

It is an arithmetic number, because the mean of its divisors is an integer number (12496680).

Almost surely, 2^216125546 is an apocalyptic number.

216125546 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

216125546 is a deficient number, since it is larger than the sum of its proper divisors (183768214).

216125546 is a wasteful number, since it uses less digits than its factorization.

216125546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2678.

The product of its digits is 14400, while the sum is 32.

The square root of 216125546 is about 14701.2089979022. The cubic root of 216125546 is about 600.1162237816.

The spelling of 216125546 in words is "two hundred sixteen million, one hundred twenty-five thousand, five hundred forty-six".