1613536161 has 8 divisors (see below), whose sum is σ = 2151734784. Its totient is φ = 1075514160.

The previous prime is 1613536037. The next prime is 1613536217. The reversal of 1613536161 is 1616353161.

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

It is not a de Polignac number, because 1613536161 - 2¹⁷ = 1613405089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1613536261) 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 7 ways as a sum of consecutive naturals, for example, 21121 + ... + 60606.

It is an arithmetic number, because the mean of its divisors is an integer number (268966848).

Almost surely, 2^1613536161 is an apocalyptic number.

It is an amenable number.

1613536161 is a deficient number, since it is larger than the sum of its proper divisors (538198623).

1613536161 is an equidigital number, since it uses as much as digits as its factorization.

1613536161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88311.

The product of its digits is 9720, while the sum is 33.

The square root of 1613536161 is about 40168.8456518233. The cubic root of 1613536161 is about 1172.8961685918.

The spelling of 1613536161 in words is "one billion, six hundred thirteen million, five hundred thirty-six thousand, one hundred sixty-one".