1611040363 has 4 divisors (see below), whose sum is σ = 1611518848. Its totient is φ = 1610561880.

The previous prime is 1611040337. The next prime is 1611040391. The reversal of 1611040363 is 3630401161.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3630401161 = 2969 ⋅1222769.

It is a cyclic number.

It is not a de Polignac number, because 1611040363 - 2⁵ = 1611040331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1611040063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234156 + ... + 240937.

It is an arithmetic number, because the mean of its divisors is an integer number (402879712).

Almost surely, 2^1611040363 is an apocalyptic number.

1611040363 is a deficient number, since it is larger than the sum of its proper divisors (478485).

1611040363 is an equidigital number, since it uses as much as digits as its factorization.

1611040363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478484.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1611040363 is about 40137.7672896737. The cubic root of 1611040363 is about 1172.2911160389.

The spelling of 1611040363 in words is "one billion, six hundred eleven million, forty thousand, three hundred sixty-three".