161057000617 has 8 divisors (see below), whose sum is σ = 169539006560. Its totient is φ = 152575526880.

The previous prime is 161057000597. The next prime is 161057000641. The reversal of 161057000617 is 716000750161.

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-161057000617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161057060617) 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, 588517 + ... + 817597.

It is an arithmetic number, because the mean of its divisors is an integer number (21192375820).

Almost surely, 2^161057000617 is an apocalyptic number.

It is an amenable number.

161057000617 is a deficient number, since it is larger than the sum of its proper divisors (8482005943).

161057000617 is a wasteful number, since it uses less digits than its factorization.

161057000617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266103.

The product of its (nonzero) digits is 8820, while the sum is 34.

Adding to 161057000617 its reverse (716000750161), we get a palindrome (877057750778).

The spelling of 161057000617 in words is "one hundred sixty-one billion, fifty-seven million, six hundred seventeen", and thus it is an aban number.