1613911117 has 8 divisors (see below), whose sum is σ = 1986352256. Its totient is φ = 1276940592.

The previous prime is 1613911111. The next prime is 1613911139. The reversal of 1613911117 is 7111193161.

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

It is a cyclic number.

It is not a de Polignac number, because 1613911117 - 2²³ = 1605522509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1613911111) 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, 8867553 + ... + 8867734.

It is an arithmetic number, because the mean of its divisors is an integer number (248294032).

Almost surely, 2^1613911117 is an apocalyptic number.

It is an amenable number.

1613911117 is a deficient number, since it is larger than the sum of its proper divisors (372441139).

1613911117 is a wasteful number, since it uses less digits than its factorization.

1613911117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17735307.

The product of its digits is 1134, while the sum is 31.

The square root of 1613911117 is about 40173.5126295922. The cubic root of 1613911117 is about 1172.9870146901.

The spelling of 1613911117 in words is "one billion, six hundred thirteen million, nine hundred eleven thousand, one hundred seventeen".