216010206755 has 32 divisors (see below), whose sum is σ = 301392576000. Its totient is φ = 145548433152.

The previous prime is 216010206743. The next prime is 216010206761. The reversal of 216010206755 is 557602010612.

It is a cyclic number.

It is not a de Polignac number, because 216010206755 - 2¹⁴ = 216010190371 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 5085596 + ... + 5127894.

It is an arithmetic number, because the mean of its divisors is an integer number (9418518000).

Almost surely, 2^216010206755 is an apocalyptic number.

216010206755 is a deficient number, since it is larger than the sum of its proper divisors (85382369245).

216010206755 is a wasteful number, since it uses less digits than its factorization.

216010206755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44843.

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 216010206755 in words is "two hundred sixteen billion, ten million, two hundred six thousand, seven hundred fifty-five".