158720246064 has 80 divisors (see below), whose sum is σ = 465279267840. Its totient is φ = 51781066560.

The previous prime is 158720246063. The next prime is 158720246093. The reversal of 158720246064 is 460642027851.

158720246064 is a `hidden beast` number, since 1 + 587 + 2 + 0 + 2 + 4 + 6 + 0 + 64 = 666.

It is not an unprimeable number, because it can be changed into a prime (158720246063) 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 15 ways as a sum of consecutive naturals, for example, 3888292 + ... + 3928899.

It is an arithmetic number, because the mean of its divisors is an integer number (5815990848).

Almost surely, 2^158720246064 is an apocalyptic number.

It is an amenable number.

158720246064 is an abundant number, since it is smaller than the sum of its proper divisors (306559021776).

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

158720246064 is a wasteful number, since it uses less digits than its factorization.

158720246064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7817255 (or 7817243 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 158720246064 in words is "one hundred fifty-eight billion, seven hundred twenty million, two hundred forty-six thousand, sixty-four".