216151765770 has 32 divisors (see below), whose sum is σ = 527268574080. Its totient is φ = 56695544640.

The previous prime is 216151765751. The next prime is 216151765811. The reversal of 216151765770 is 77567151612.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59056030 + ... + 59059689.

It is an arithmetic number, because the mean of its divisors is an integer number (16477142940).

Almost surely, 2^216151765770 is an apocalyptic number.

216151765770 is an abundant number, since it is smaller than the sum of its proper divisors (311116808310).

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

216151765770 is a wasteful number, since it uses less digits than its factorization.

216151765770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118115790.

The product of its (nonzero) digits is 617400, while the sum is 48.

The spelling of 216151765770 in words is "two hundred sixteen billion, one hundred fifty-one million, seven hundred sixty-five thousand, seven hundred seventy".