1992001116 has 288 divisors, whose sum is σ = 6016281600. Its totient is φ = 509483520.

The previous prime is 1992001103. The next prime is 1992001133. The reversal of 1992001116 is 6111002991.

It is a super-2 number, since 2×1992001116² = 7936136892290490912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 25215165 + ... + 25215243.

Almost surely, 2^1992001116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1992001116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3008140800).

1992001116 is an abundant number, since it is smaller than the sum of its proper divisors (4024280484).

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

1992001116 is a wasteful number, since it uses less digits than its factorization.

1992001116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 30.

The square root of 1992001116 is about 44631.8397111300. The cubic root of 1992001116 is about 1258.2391452835.

The spelling of 1992001116 in words is "one billion, nine hundred ninety-two million, one thousand, one hundred sixteen".