18928119102 has 32 divisors (see below), whose sum is σ = 38607183360. Its totient is φ = 6184823040.

The previous prime is 18928119101. The next prime is 18928119139. The reversal of 18928119102 is 20191182981.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18928119101) 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, 49227 + ... + 200697.

It is an arithmetic number, because the mean of its divisors is an integer number (1206474480).

Almost surely, 2^18928119102 is an apocalyptic number.

18928119102 is an abundant number, since it is smaller than the sum of its proper divisors (19679064258).

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

18928119102 is a wasteful number, since it uses less digits than its factorization.

18928119102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151888.

The product of its (nonzero) digits is 20736, while the sum is 42.

The spelling of 18928119102 in words is "eighteen billion, nine hundred twenty-eight million, one hundred nineteen thousand, one hundred two".