1866349096002 has 48 divisors (see below), whose sum is σ = 4068901925088. Its totient is φ = 618248453760.

The previous prime is 1866349095977. The next prime is 1866349096009. The reversal of 1866349096002 is 2006909436681.

1866349096002 is a `hidden beast` number, since 1 + 8 + 6 + 63 + 490 + 96 + 0 + 0 + 2 = 666.

It is a super-2 number, since 2×1866349096002² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1866349096002.

It is not an unprimeable number, because it can be changed into a prime (1866349096009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54822378 + ... + 54856410.

It is an arithmetic number, because the mean of its divisors is an integer number (84768790106).

Almost surely, 2^{1866349096002} is an apocalyptic number.

1866349096002 is an abundant number, since it is smaller than the sum of its proper divisors (2202552829086).

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

1866349096002 is a wasteful number, since it uses less digits than its factorization.

1866349096002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52895 (or 52892 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The spelling of 1866349096002 in words is "one trillion, eight hundred sixty-six billion, three hundred forty-nine million, ninety-six thousand, two".