1958182868208 has 40 divisors (see below), whose sum is σ = 5781301802368. Its totient is φ = 559480819392.

The previous prime is 1958182868143. The next prime is 1958182868219. The reversal of 1958182868208 is 8028682818591.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2913962266 + ... + 2913962937.

Almost surely, 2^{1958182868208} is an apocalyptic number.

It is an amenable number.

1958182868208 is an abundant number, since it is smaller than the sum of its proper divisors (3823118934160).

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

1958182868208 is a wasteful number, since it uses less digits than its factorization.

1958182868208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5827925221 (or 5827925215 counting only the distinct ones).

The product of its (nonzero) digits is 35389440, while the sum is 66.

The spelling of 1958182868208 in words is "one trillion, nine hundred fifty-eight billion, one hundred eighty-two million, eight hundred sixty-eight thousand, two hundred eight".