158243773480 has 128 divisors (see below), whose sum is σ = 386848224000. Its totient is φ = 57910044672.

The previous prime is 158243773477. The next prime is 158243773507. The reversal of 158243773480 is 84377342851.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58629171 + ... + 58631869.

It is an arithmetic number, because the mean of its divisors is an integer number (3022251750).

Almost surely, 2^158243773480 is an apocalyptic number.

158243773480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158243773480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193424112000).

158243773480 is an abundant number, since it is smaller than the sum of its proper divisors (228604450520).

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

158243773480 is a wasteful number, since it uses less digits than its factorization.

158243773480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3683 (or 3679 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 52.

The spelling of 158243773480 in words is "one hundred fifty-eight billion, two hundred forty-three million, seven hundred seventy-three thousand, four hundred eighty".