1655213016 has 16 divisors (see below), whose sum is σ = 4138032600. Its totient is φ = 551737664.

The previous prime is 1655212997. The next prime is 1655213017. The reversal of 1655213016 is 6103125561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1655213017) 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, 34483581 + ... + 34483628.

Almost surely, 2^1655213016 is an apocalyptic number.

It is an amenable number.

1655213016 is an abundant number, since it is smaller than the sum of its proper divisors (2482819584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1655213016 is a wasteful number, since it uses less digits than its factorization.

1655213016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68967218 (or 68967214 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1655213016 is about 40684.3092112918. The cubic root of 1655213016 is about 1182.9088952096.

Adding to 1655213016 its reverse (6103125561), we get a palindrome (7758338577).

The spelling of 1655213016 in words is "one billion, six hundred fifty-five million, two hundred thirteen thousand, sixteen".