15168472346 has 4 divisors (see below), whose sum is σ = 22752708522. Its totient is φ = 7584236172.

The previous prime is 15168472339. The next prime is 15168472379. The reversal of 15168472346 is 64327486151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64327486151 = 8677 ⋅7413563.

It can be written as a sum of positive squares in only one way, i.e., 10949320321 + 4219152025 = 104639^2 + 64955^2 .

It is a super-2 number, since 2×15168472346² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15168472346.

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 as a sum of consecutive naturals, namely, 3792118085 + ... + 3792118088.

Almost surely, 2^15168472346 is an apocalyptic number.

15168472346 is a deficient number, since it is larger than the sum of its proper divisors (7584236176).

15168472346 is an equidigital number, since it uses as much as digits as its factorization.

15168472346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7584236175.

The product of its digits is 967680, while the sum is 47.

The spelling of 15168472346 in words is "fifteen billion, one hundred sixty-eight million, four hundred seventy-two thousand, three hundred forty-six".