1611233141 has 6 divisors (see below), whose sum is σ = 1874291670. Its totient is φ = 1381056936.

The previous prime is 1611233131. The next prime is 1611233159. The reversal of 1611233141 is 1413321161.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1084714225 + 526518916 = 32935^2 + 22946^2 .

It is not a de Polignac number, because 1611233141 - 2¹⁴ = 1611216757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1611233131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16441106 + ... + 16441203.

It is an arithmetic number, because the mean of its divisors is an integer number (312381945).

Almost surely, 2^1611233141 is an apocalyptic number.

It is an amenable number.

1611233141 is a deficient number, since it is larger than the sum of its proper divisors (263058529).

1611233141 is an equidigital number, since it uses as much as digits as its factorization.

1611233141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32882323 (or 32882316 counting only the distinct ones).

The product of its digits is 432, while the sum is 23.

The square root of 1611233141 is about 40140.1686717931. The cubic root of 1611233141 is about 1172.3378731797.

The spelling of 1611233141 in words is "one billion, six hundred eleven million, two hundred thirty-three thousand, one hundred forty-one".