216602106674 has 4 divisors (see below), whose sum is σ = 324903160014. Its totient is φ = 108301053336.

The previous prime is 216602106671. The next prime is 216602106689. The reversal of 216602106674 is 476601206612.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 185884286449 + 30717820225 = 431143^2 + 175265^2 .

It is a super-2 number, since 2×216602106674² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (216602106671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54150526667 + ... + 54150526670.

Almost surely, 2^216602106674 is an apocalyptic number.

216602106674 is a deficient number, since it is larger than the sum of its proper divisors (108301053340).

216602106674 is a wasteful number, since it uses less digits than its factorization.

216602106674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108301053339.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 216602106674 in words is "two hundred sixteen billion, six hundred two million, one hundred six thousand, six hundred seventy-four".