147866239728 has 60 divisors (see below), whose sum is σ = 418086327568. Its totient is φ = 48780610560.

The previous prime is 147866239681. The next prime is 147866239753. The reversal of 147866239728 is 827932668741.

147866239728 is a `hidden beast` number, since 1 + 478 + 6 + 62 + 39 + 72 + 8 = 666.

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 11 ways as a sum of consecutive naturals, for example, 5279068 + ... + 5307003.

Almost surely, 2^147866239728 is an apocalyptic number.

147866239728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

147866239728 is an abundant number, since it is smaller than the sum of its proper divisors (270220087840).

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

147866239728 is a wasteful number, since it uses less digits than its factorization.

147866239728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10586182 (or 10586173 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 63.

The spelling of 147866239728 in words is "one hundred forty-seven billion, eight hundred sixty-six million, two hundred thirty-nine thousand, seven hundred twenty-eight".