216674601 has 32 divisors (see below), whose sum is σ = 341674368. Its totient is φ = 120407040.

The previous prime is 216674597. The next prime is 216674603. The reversal of 216674601 is 106476612.

It is not a de Polignac number, because 216674601 - 2² = 216674597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (216674603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65745 + ... + 68961.

It is an arithmetic number, because the mean of its divisors is an integer number (10677324).

Almost surely, 2^216674601 is an apocalyptic number.

It is an amenable number.

216674601 is a deficient number, since it is larger than the sum of its proper divisors (124999767).

216674601 is a wasteful number, since it uses less digits than its factorization.

216674601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3401.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 216674601 is about 14719.8709573148. The cubic root of 216674601 is about 600.6239814093.

It can be divided in two parts, 2166 and 74601, that added together give a palindrome (76767).

The spelling of 216674601 in words is "two hundred sixteen million, six hundred seventy-four thousand, six hundred one".