654216602 has 8 divisors (see below), whose sum is σ = 1056811476. Its totient is φ = 301946112.

The previous prime is 654216601. The next prime is 654216631. The reversal of 654216602 is 206612456.

It can be written as a sum of positive squares in 2 ways, for example, as 497691481 + 156525121 = 22309^2 + 12511^2 .

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

It is not an unprimeable number, because it can be changed into a prime (654216601) 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, 12581063 + ... + 12581114.

Almost surely, 2^654216602 is an apocalyptic number.

654216602 is a deficient number, since it is larger than the sum of its proper divisors (402594874).

654216602 is a wasteful number, since it uses less digits than its factorization.

654216602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25162192.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 654216602 is about 25577.6582587226. The cubic root of 654216602 is about 868.1081903057.

The spelling of 654216602 in words is "six hundred fifty-four million, two hundred sixteen thousand, six hundred two".