18548099097 has 16 divisors (see below), whose sum is σ = 27144576768. Its totient is φ = 11172304080.

The previous prime is 18548099083. The next prime is 18548099111. The reversal of 18548099097 is 79099084581.

It is an interprime number because it is at equal distance from previous prime (18548099083) and next prime (18548099111).

It is not a de Polignac number, because 18548099097 - 2⁴ = 18548099081 is a prime.

It is a super-2 number, since 2×18548099097² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18548099097.

It is not an unprimeable number, because it can be changed into a prime (18548099027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1718743 + ... + 1729500.

It is an arithmetic number, because the mean of its divisors is an integer number (1696536048).

Almost surely, 2^18548099097 is an apocalyptic number.

It is an amenable number.

18548099097 is a deficient number, since it is larger than the sum of its proper divisors (8596477671).

18548099097 is a wasteful number, since it uses less digits than its factorization.

18548099097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3448420.

The product of its (nonzero) digits is 6531840, while the sum is 60.

The spelling of 18548099097 in words is "eighteen billion, five hundred forty-eight million, ninety-nine thousand, ninety-seven".