18959996076 has 48 divisors (see below), whose sum is σ = 50612491776. Its totient is φ = 5411516544.

The previous prime is 18959996071. The next prime is 18959996183. The reversal of 18959996076 is 67069995981.

It is a self number, because there is not a number n which added to its sum of digits gives 18959996076.

It is not an unprimeable number, because it can be changed into a prime (18959996071) 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, 35481 + ... + 197936.

It is an arithmetic number, because the mean of its divisors is an integer number (1054426912).

Almost surely, 2^18959996076 is an apocalyptic number.

It is an amenable number.

18959996076 is an abundant number, since it is smaller than the sum of its proper divisors (31652495700).

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

18959996076 is a wasteful number, since it uses less digits than its factorization.

18959996076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234398 (or 234396 counting only the distinct ones).

The product of its (nonzero) digits is 66134880, while the sum is 69.

The spelling of 18959996076 in words is "eighteen billion, nine hundred fifty-nine million, nine hundred ninety-six thousand, seventy-six".