618957029168 has 10 divisors (see below), whose sum is σ = 1199229244044. Its totient is φ = 309478514576.

The previous prime is 618957029101. The next prime is 618957029183. The reversal of 618957029168 is 861920759816.

It is a self number, because there is not a number n which added to its sum of digits gives 618957029168.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19342407146 + ... + 19342407177.

Almost surely, 2^618957029168 is an apocalyptic number.

It is an amenable number.

618957029168 is a deficient number, since it is larger than the sum of its proper divisors (580272214876).

618957029168 is a wasteful number, since it uses less digits than its factorization.

618957029168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38684814331 (or 38684814325 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 62.

The spelling of 618957029168 in words is "six hundred eighteen billion, nine hundred fifty-seven million, twenty-nine thousand, one hundred sixty-eight".