1992126611 has 8 divisors (see below), whose sum is σ = 2128274880. Its totient is φ = 1859108328.

The previous prime is 1992126599. The next prime is 1992126671. The reversal of 1992126611 is 1166212991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1992126611 - 2¹⁰ = 1992125587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1992126671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781181 + ... + 783726.

It is an arithmetic number, because the mean of its divisors is an integer number (266034360).

Almost surely, 2^1992126611 is an apocalyptic number.

1992126611 is a deficient number, since it is larger than the sum of its proper divisors (136148269).

1992126611 is a wasteful number, since it uses less digits than its factorization.

1992126611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564993.

The product of its digits is 11664, while the sum is 38.

The square root of 1992126611 is about 44633.2455799486. The cubic root of 1992126611 is about 1258.2655675254.

The spelling of 1992126611 in words is "one billion, nine hundred ninety-two million, one hundred twenty-six thousand, six hundred eleven".