618562898 has 16 divisors (see below), whose sum is σ = 984376320. Its totient is φ = 290694096.

The previous prime is 618562873. The next prime is 618562913. The reversal of 618562898 is 898265816.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59261 + ... + 68912.

It is an arithmetic number, because the mean of its divisors is an integer number (61523520).

Almost surely, 2^618562898 is an apocalyptic number.

618562898 is a deficient number, since it is larger than the sum of its proper divisors (365813422).

618562898 is a wasteful number, since it uses less digits than its factorization.

618562898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128321.

The product of its digits is 1658880, while the sum is 53.

The square root of 618562898 is about 24870.9247516050. The cubic root of 618562898 is about 852.0425608941.

The spelling of 618562898 in words is "six hundred eighteen million, five hundred sixty-two thousand, eight hundred ninety-eight".