15681470148 has 36 divisors (see below), whose sum is σ = 39924459120. Its totient is φ = 5189549616.

The previous prime is 15681470113. The next prime is 15681470153. The reversal of 15681470148 is 84107418651.

15681470148 is a `hidden beast` number, since 1 + 568 + 1 + 4 + 70 + 14 + 8 = 666.

15681470148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

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, 1561890 + ... + 1571897.

Almost surely, 2^15681470148 is an apocalyptic number.

15681470148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

15681470148 is an abundant number, since it is smaller than the sum of its proper divisors (24242988972).

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

15681470148 is a wasteful number, since it uses less digits than its factorization.

15681470148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3133936 (or 3133931 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

Adding to 15681470148 its reverse (84107418651), we get a palindrome (99788888799).

The spelling of 15681470148 in words is "fifteen billion, six hundred eighty-one million, four hundred seventy thousand, one hundred forty-eight".