216334601 has 4 divisors (see below), whose sum is σ = 247239552. Its totient is φ = 185429652.

The previous prime is 216334583. The next prime is 216334631. The reversal of 216334601 is 106433612.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-216334601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216334631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15452465 + ... + 15452478.

It is an arithmetic number, because the mean of its divisors is an integer number (61809888).

Almost surely, 2^216334601 is an apocalyptic number.

It is an amenable number.

216334601 is a deficient number, since it is larger than the sum of its proper divisors (30904951).

216334601 is an equidigital number, since it uses as much as digits as its factorization.

216334601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30904950.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 216334601 is about 14708.3174088677. The cubic root of 216334601 is about 600.3096559020.

The spelling of 216334601 in words is "two hundred sixteen million, three hundred thirty-four thousand, six hundred one".