1163851198 has 32 divisors (see below), whose sum is σ = 1850376960. Its totient is φ = 547926720.

The previous prime is 1163851193. The next prime is 1163851207. The reversal of 1163851198 is 8911583611.

It is a super-2 number, since 2×1163851198² = 2709099222172070408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163851193) 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, 880378 + ... + 881698.

It is an arithmetic number, because the mean of its divisors is an integer number (57824280).

Almost surely, 2^1163851198 is an apocalyptic number.

1163851198 is a deficient number, since it is larger than the sum of its proper divisors (686525762).

1163851198 is a wasteful number, since it uses less digits than its factorization.

1163851198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632.

The product of its digits is 51840, while the sum is 43.

The square root of 1163851198 is about 34115.2634168344. The cubic root of 1163851198 is about 1051.8790835546.

The spelling of 1163851198 in words is "one billion, one hundred sixty-three million, eight hundred fifty-one thousand, one hundred ninety-eight".