1992166036399 has 128 divisors (see below), whose sum is σ = 2759969341440. Its totient is φ = 1402875936000.

The previous prime is 1992166036381. The next prime is 1992166036417. The reversal of 1992166036399 is 9936306612991.

It is an interprime number because it is at equal distance from previous prime (1992166036381) and next prime (1992166036417).

It is not a de Polignac number, because 1992166036399 - 2²¹ = 1992163939247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1992166036399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992166036339) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 389625067 + ... + 389630179.

It is an arithmetic number, because the mean of its divisors is an integer number (21562260480).

Almost surely, 2^{1992166036399} is an apocalyptic number.

1992166036399 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1992166036399 is a deficient number, since it is larger than the sum of its proper divisors (767803305041).

1992166036399 is a wasteful number, since it uses less digits than its factorization.

1992166036399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5274 (or 5252 counting only the distinct ones).

The product of its (nonzero) digits is 25509168, while the sum is 64.

The spelling of 1992166036399 in words is "one trillion, nine hundred ninety-two billion, one hundred sixty-six million, thirty-six thousand, three hundred ninety-nine".