1612170563 has 4 divisors (see below), whose sum is σ = 1612328088. Its totient is φ = 1612013040.

The previous prime is 1612170559. The next prime is 1612170619. The reversal of 1612170563 is 3650712161.

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 1612170563 - 2² = 1612170559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1612179563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62258 + ... + 84263.

It is an arithmetic number, because the mean of its divisors is an integer number (403082022).

Almost surely, 2^1612170563 is an apocalyptic number.

1612170563 is a deficient number, since it is larger than the sum of its proper divisors (157525).

1612170563 is a wasteful number, since it uses less digits than its factorization.

1612170563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157524.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 1612170563 is about 40151.8438306387. The cubic root of 1612170563 is about 1172.5651860837.

The spelling of 1612170563 in words is "one billion, six hundred twelve million, one hundred seventy thousand, five hundred sixty-three".