216301461 has 8 divisors (see below), whose sum is σ = 288704064. Its totient is φ = 144049920.

The previous prime is 216301451. The next prime is 216301487. The reversal of 216301461 is 164103612.

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

It is not a de Polignac number, because 216301461 - 2⁷ = 216301333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216301411) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 34380 + ... + 40181.

It is an arithmetic number, because the mean of its divisors is an integer number (36088008).

Almost surely, 2^216301461 is an apocalyptic number.

It is an amenable number.

216301461 is a deficient number, since it is larger than the sum of its proper divisors (72402603).

216301461 is an equidigital number, since it uses as much as digits as its factorization.

216301461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75531.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 216301461 is about 14707.1907922621. The cubic root of 216301461 is about 600.2790007997.

The spelling of 216301461 in words is "two hundred sixteen million, three hundred one thousand, four hundred sixty-one".