18930948126 has 32 divisors (see below), whose sum is σ = 39132592128. Its totient is φ = 6099047520.

The previous prime is 18930948109. The next prime is 18930948131. The reversal of 18930948126 is 62184903981.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84391 + ... + 212093.

It is an arithmetic number, because the mean of its divisors is an integer number (1222893504).

Almost surely, 2^18930948126 is an apocalyptic number.

18930948126 is an abundant number, since it is smaller than the sum of its proper divisors (20201644002).

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

18930948126 is a wasteful number, since it uses less digits than its factorization.

18930948126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128536.

The product of its (nonzero) digits is 746496, while the sum is 51.

The spelling of 18930948126 in words is "eighteen billion, nine hundred thirty million, nine hundred forty-eight thousand, one hundred twenty-six".