1618010441 has 4 divisors (see below), whose sum is σ = 1618640400. Its totient is φ = 1617380484.

The previous prime is 1618010437. The next prime is 1618010533. The reversal of 1618010441 is 1440108161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1618010441 - 2² = 1618010437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1618010441.

It is not an unprimeable number, because it can be changed into a prime (1618010431) 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, 311111 + ... + 316268.

It is an arithmetic number, because the mean of its divisors is an integer number (404660100).

Almost surely, 2^1618010441 is an apocalyptic number.

It is an amenable number.

1618010441 is a deficient number, since it is larger than the sum of its proper divisors (629959).

1618010441 is an equidigital number, since it uses as much as digits as its factorization.

1618010441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629958.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 1618010441 is about 40224.5005065321. The cubic root of 1618010441 is about 1173.9793015553.

The spelling of 1618010441 in words is "one billion, six hundred eighteen million, ten thousand, four hundred forty-one".