1098055161 has 48 divisors (see below), whose sum is σ = 1877616000. Its totient is φ = 617978592.

The previous prime is 1098055157. The next prime is 1098055171. The reversal of 1098055161 is 1615508901.

1098055161 is a `hidden beast` number, since 10 + 98 + 0 + 551 + 6 + 1 = 666.

It is not a de Polignac number, because 1098055161 - 2² = 1098055157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1098055111) by changing a digit.

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 in 47 ways as a sum of consecutive naturals, for example, 204175 + ... + 209483.

It is an arithmetic number, because the mean of its divisors is an integer number (39117000).

Almost surely, 2^1098055161 is an apocalyptic number.

It is an amenable number.

1098055161 is a deficient number, since it is larger than the sum of its proper divisors (779560839).

1098055161 is an equidigital number, since it uses as much as digits as its factorization.

1098055161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5403 (or 5386 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 36.

The square root of 1098055161 is about 33136.9153814896. The cubic root of 1098055161 is about 1031.6713872832.

The spelling of 1098055161 in words is "one billion, ninety-eight million, fifty-five thousand, one hundred sixty-one".