1992566910 has 16 divisors (see below), whose sum is σ = 4782160656. Its totient is φ = 531351168.

The previous prime is 1992566899. The next prime is 1992566963. The reversal of 1992566910 is 196652991.

1992566910 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1992566910.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33209419 + ... + 33209478.

It is an arithmetic number, because the mean of its divisors is an integer number (298885041).

Almost surely, 2^1992566910 is an apocalyptic number.

1992566910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1992566910 is an abundant number, since it is smaller than the sum of its proper divisors (2789593746).

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

1992566910 is a wasteful number, since it uses less digits than its factorization.

1992566910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66418907.

The product of its (nonzero) digits is 262440, while the sum is 48.

The square root of 1992566910 is about 44638.1777181820. The cubic root of 1992566910 is about 1258.3582611419.

The spelling of 1992566910 in words is "one billion, nine hundred ninety-two million, five hundred sixty-six thousand, nine hundred ten".