1609201101 has 8 divisors (see below), whose sum is σ = 2154579840. Its totient is φ = 1068311552.

The previous prime is 1609201073. The next prime is 1609201127. The reversal of 1609201101 is 1011029061.

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 1609201101 - 2¹⁵ = 1609168333 is a prime.

It is a super-2 number, since 2×1609201101² = 5179056366919224402, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1609201171) 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, 1121460 + ... + 1122893.

It is an arithmetic number, because the mean of its divisors is an integer number (269322480).

Almost surely, 2^1609201101 is an apocalyptic number.

It is an amenable number.

1609201101 is a deficient number, since it is larger than the sum of its proper divisors (545378739).

1609201101 is a wasteful number, since it uses less digits than its factorization.

1609201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244595.

The product of its (nonzero) digits is 108, while the sum is 21.

The square root of 1609201101 is about 40114.8488841726. The cubic root of 1609201101 is about 1171.8448264643.

The spelling of 1609201101 in words is "one billion, six hundred nine million, two hundred one thousand, one hundred one".