158673392770640 has 40 divisors (see below), whose sum is σ = 402453423484128. Its totient is φ = 57699415552640.

The previous prime is 158673392770639. The next prime is 158673392770703. The reversal of 158673392770640 is 46077293376851.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 90155335922 + ... + 90155337681.

It is a 1-persistent number, because it is pandigital, but 2⋅158673392770640 = 317346785541280 is not.

Almost surely, 2^{158673392770640} is an apocalyptic number.

158673392770640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158673392770640 is an abundant number, since it is smaller than the sum of its proper divisors (243780030713488).

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

158673392770640 is a wasteful number, since it uses less digits than its factorization.

158673392770640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180310673627 (or 180310673621 counting only the distinct ones).

The product of its (nonzero) digits is 320060160, while the sum is 68.

The spelling of 158673392770640 in words is "one hundred fifty-eight trillion, six hundred seventy-three billion, three hundred ninety-two million, seven hundred seventy thousand, six hundred forty".