1617713641 has 16 divisors (see below), whose sum is σ = 1735119360. Its totient is φ = 1504863360.

The previous prime is 1617713639. The next prime is 1617713677. The reversal of 1617713641 is 1463177161.

It is not a de Polignac number, because 1617713641 - 2¹ = 1617713639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1617713641.

It is not an unprimeable number, because it can be changed into a prime (1617713611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205606 + ... + 213328.

It is an arithmetic number, because the mean of its divisors is an integer number (108444960).

Almost surely, 2^1617713641 is an apocalyptic number.

It is an amenable number.

1617713641 is a deficient number, since it is larger than the sum of its proper divisors (117405719).

1617713641 is a wasteful number, since it uses less digits than its factorization.

1617713641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8016.

The product of its digits is 21168, while the sum is 37.

The square root of 1617713641 is about 40220.8110435381. The cubic root of 1617713641 is about 1173.9075141396.

The spelling of 1617713641 in words is "one billion, six hundred seventeen million, seven hundred thirteen thousand, six hundred forty-one".