1018162398 has 32 divisors (see below), whose sum is σ = 2226782592. Its totient is φ = 307792800.

The previous prime is 1018162393. The next prime is 1018162399. The reversal of 1018162398 is 8932618101.

It is a super-2 number, since 2×1018162398² = 2073309337402220808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1018162391) 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, 9465 + ... + 46107.

It is an arithmetic number, because the mean of its divisors is an integer number (69586956).

Almost surely, 2^1018162398 is an apocalyptic number.

1018162398 is an abundant number, since it is smaller than the sum of its proper divisors (1208620194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1018162398 is a wasteful number, since it uses less digits than its factorization.

1018162398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37080.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 1018162398 is about 31908.6571011693. The cubic root of 1018162398 is about 1006.0178455572.

The spelling of 1018162398 in words is "one billion, eighteen million, one hundred sixty-two thousand, three hundred ninety-eight".