1617161373347 has 4 divisors (see below), whose sum is σ = 1741558402080. Its totient is φ = 1492764344616.

The previous prime is 1617161373287. The next prime is 1617161373397. The reversal of 1617161373347 is 7433731617161.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1617161373347 - 2⁶ = 1617161373283 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1617161373295 and 1617161373304.

It is not an unprimeable number, because it can be changed into a prime (1617161373397) 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, 62198514347 + ... + 62198514372.

It is an arithmetic number, because the mean of its divisors is an integer number (435389600520).

Almost surely, 2^{1617161373347} is an apocalyptic number.

1617161373347 is a deficient number, since it is larger than the sum of its proper divisors (124397028733).

1617161373347 is a wasteful number, since it uses less digits than its factorization.

1617161373347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124397028732.

The product of its digits is 1333584, while the sum is 50.

The spelling of 1617161373347 in words is "one trillion, six hundred seventeen billion, one hundred sixty-one million, three hundred seventy-three thousand, three hundred forty-seven".