1617116953 has 8 divisors (see below), whose sum is σ = 1708103936. Its totient is φ = 1528556400.

The previous prime is 1617116929. The next prime is 1617117013. The reversal of 1617116953 is 3596117161.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1617116953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1617111953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605238 + ... + 607903.

It is an arithmetic number, because the mean of its divisors is an integer number (213512992).

Almost surely, 2^1617116953 is an apocalyptic number.

It is an amenable number.

1617116953 is a deficient number, since it is larger than the sum of its proper divisors (90986983).

1617116953 is a wasteful number, since it uses less digits than its factorization.

1617116953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213215.

The product of its digits is 34020, while the sum is 40.

The square root of 1617116953 is about 40213.3927069080. The cubic root of 1617116953 is about 1173.7631658349.

It can be divided in two parts, 16171 and 16953, that added together give a square (33124 = 182²).

The spelling of 1617116953 in words is "one billion, six hundred seventeen million, one hundred sixteen thousand, nine hundred fifty-three".