1613886216 has 16 divisors (see below), whose sum is σ = 4034715600. Its totient is φ = 537962064.

The previous prime is 1613886203. The next prime is 1613886247. The reversal of 1613886216 is 6126883161.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33622606 + ... + 33622653.

It is an arithmetic number, because the mean of its divisors is an integer number (252169725).

Almost surely, 2^1613886216 is an apocalyptic number.

It is an amenable number.

1613886216 is an abundant number, since it is smaller than the sum of its proper divisors (2420829384).

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

1613886216 is a wasteful number, since it uses less digits than its factorization.

1613886216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67245268 (or 67245264 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 1613886216 is about 40173.2027102645. The cubic root of 1613886216 is about 1172.9809819953.

The spelling of 1613886216 in words is "one billion, six hundred thirteen million, eight hundred eighty-six thousand, two hundred sixteen".