15384208172 has 6 divisors (see below), whose sum is σ = 26922364308. Its totient is φ = 7692104084.

The previous prime is 15384208171. The next prime is 15384208183. The reversal of 15384208172 is 27180248351.

15384208172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15384208172² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15384208171) 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 as a sum of consecutive naturals, namely, 1923026018 + ... + 1923026025.

It is an arithmetic number, because the mean of its divisors is an integer number (4487060718).

Almost surely, 2^15384208172 is an apocalyptic number.

It is an amenable number.

15384208172 is a deficient number, since it is larger than the sum of its proper divisors (11538156136).

15384208172 is a wasteful number, since it uses less digits than its factorization.

15384208172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3846052047 (or 3846052045 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 15384208172 in words is "fifteen billion, three hundred eighty-four million, two hundred eight thousand, one hundred seventy-two".