18598148149 has 16 divisors (see below), whose sum is σ = 21327667200. Its totient is φ = 15886859184.

The previous prime is 18598148147. The next prime is 18598148201. The reversal of 18598148149 is 94184189581.

It is not a de Polignac number, because 18598148149 - 2¹ = 18598148147 is a prime.

It is a super-2 number, since 2×18598148149² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18598148093 and 18598148102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18598148141) 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, 5535132 + ... + 5538490.

It is an arithmetic number, because the mean of its divisors is an integer number (1332979200).

Almost surely, 2^18598148149 is an apocalyptic number.

It is an amenable number.

18598148149 is a deficient number, since it is larger than the sum of its proper divisors (2729519051).

18598148149 is a wasteful number, since it uses less digits than its factorization.

18598148149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5832.

The product of its digits is 3317760, while the sum is 58.

The spelling of 18598148149 in words is "eighteen billion, five hundred ninety-eight million, one hundred forty-eight thousand, one hundred forty-nine".