618798434105 has 16 divisors (see below), whose sum is σ = 751107072000. Its totient is φ = 489367593792.

The previous prime is 618798434101. The next prime is 618798434117. The reversal of 618798434105 is 501434897816.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 618798434105 - 2² = 618798434101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (618798434101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1583105 + ... + 1934894.

It is an arithmetic number, because the mean of its divisors is an integer number (46944192000).

Almost surely, 2^618798434105 is an apocalyptic number.

It is an amenable number.

618798434105 is a deficient number, since it is larger than the sum of its proper divisors (132308637895).

618798434105 is a wasteful number, since it uses less digits than its factorization.

618798434105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3518408.

The product of its (nonzero) digits is 5806080, while the sum is 56.

The spelling of 618798434105 in words is "six hundred eighteen billion, seven hundred ninety-eight million, four hundred thirty-four thousand, one hundred five".