15647984606 has 4 divisors (see below), whose sum is σ = 23471976912. Its totient is φ = 7823992302.

The previous prime is 15647984591. The next prime is 15647984687. The reversal of 15647984606 is 60648974651.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60648974651 = 199039 ⋅304709.

It is a super-2 number, since 2×15647984606² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3911996150 + ... + 3911996153.

It is an arithmetic number, because the mean of its divisors is an integer number (5867994228).

Almost surely, 2^15647984606 is an apocalyptic number.

15647984606 is a deficient number, since it is larger than the sum of its proper divisors (7823992306).

15647984606 is an equidigital number, since it uses as much as digits as its factorization.

15647984606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7823992305.

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 15647984606 in words is "fifteen billion, six hundred forty-seven million, nine hundred eighty-four thousand, six hundred six".