216426201 has 16 divisors (see below), whose sum is σ = 305971200. Its totient is φ = 135606528.

The previous prime is 216426193. The next prime is 216426233. The reversal of 216426201 is 102624612.

It is not a de Polignac number, because 216426201 - 2³ = 216426193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216426271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39720 + ... + 44838.

It is an arithmetic number, because the mean of its divisors is an integer number (19123200).

Almost surely, 2^216426201 is an apocalyptic number.

It is an amenable number.

216426201 is a deficient number, since it is larger than the sum of its proper divisors (89544999).

216426201 is a wasteful number, since it uses less digits than its factorization.

216426201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5968.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 216426201 is about 14711.4309637098. The cubic root of 216426201 is about 600.3943712842.

The spelling of 216426201 in words is "two hundred sixteen million, four hundred twenty-six thousand, two hundred one".