1618119245 has 32 divisors (see below), whose sum is σ = 2157290496. Its totient is φ = 1159603200.

The previous prime is 1618119233. The next prime is 1618119257. The reversal of 1618119245 is 5429118161.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1618119233) and next prime (1618119257).

It is not a de Polignac number, because 1618119245 - 2²⁶ = 1551010381 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1618119199 and 1618119208.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 155702 + ... + 165768.

It is an arithmetic number, because the mean of its divisors is an integer number (67415328).

Almost surely, 2^1618119245 is an apocalyptic number.

It is an amenable number.

1618119245 is a deficient number, since it is larger than the sum of its proper divisors (539171251).

1618119245 is a wasteful number, since it uses less digits than its factorization.

1618119245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10181.

The product of its digits is 17280, while the sum is 38.

The square root of 1618119245 is about 40225.8529431012. The cubic root of 1618119245 is about 1174.0056159262.

The spelling of 1618119245 in words is "one billion, six hundred eighteen million, one hundred nineteen thousand, two hundred forty-five".