216060434 has 8 divisors (see below), whose sum is σ = 325482300. Its totient is φ = 107566336.

The previous prime is 216060433. The next prime is 216060437. The reversal of 216060434 is 434060612.

It can be written as a sum of positive squares in 2 ways, for example, as 176810209 + 39250225 = 13297^2 + 6265^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×216060434² = 93364222280536712, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (216060433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231359 + ... + 232290.

Almost surely, 2^216060434 is an apocalyptic number.

216060434 is a deficient number, since it is larger than the sum of its proper divisors (109421866).

216060434 is a wasteful number, since it uses less digits than its factorization.

216060434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463884.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 216060434 is about 14698.9943193404. The cubic root of 216060434 is about 600.0559521895.

The spelling of 216060434 in words is "two hundred sixteen million, sixty thousand, four hundred thirty-four".