192148991988 has 12 divisors (see below), whose sum is σ = 448347648000. Its totient is φ = 64049663992.

The previous prime is 192148991981. The next prime is 192148991989. The reversal of 192148991988 is 889199841291.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (192148991981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8006207988 + ... + 8006208011.

It is an arithmetic number, because the mean of its divisors is an integer number (37362304000).

Almost surely, 2^192148991988 is an apocalyptic number.

It is an amenable number.

192148991988 is an abundant number, since it is smaller than the sum of its proper divisors (256198656012).

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

192148991988 is a wasteful number, since it uses less digits than its factorization.

192148991988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16012416006 (or 16012416004 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 69.

The spelling of 192148991988 in words is "one hundred ninety-two billion, one hundred forty-eight million, nine hundred ninety-one thousand, nine hundred eighty-eight".