1992696144 has 40 divisors (see below), whose sum is σ = 5195039520. Its totient is φ = 658136448.

The previous prime is 1992696143. The next prime is 1992696163. The reversal of 1992696144 is 4416962991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992696143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185202 + ... + 195665.

It is an arithmetic number, because the mean of its divisors is an integer number (129875988).

Almost surely, 2^1992696144 is an apocalyptic number.

It is an amenable number.

1992696144 is an abundant number, since it is smaller than the sum of its proper divisors (3202343376).

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

1992696144 is a wasteful number, since it uses less digits than its factorization.

1992696144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380987 (or 380981 counting only the distinct ones).

The product of its digits is 839808, while the sum is 51.

The square root of 1992696144 is about 44639.6252672443. The cubic root of 1992696144 is about 1258.3854654405.

The spelling of 1992696144 in words is "one billion, nine hundred ninety-two million, six hundred ninety-six thousand, one hundred forty-four".