15662022774116 has 6 divisors (see below), whose sum is σ = 27408539854710. Its totient is φ = 7831011387056.

The previous prime is 15662022774113. The next prime is 15662022774133. The reversal of 15662022774116 is 61147722026651.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15044468838400 + 617553935716 = 3878720^2 + 785846^2 .

It is not an unprimeable number, because it can be changed into a prime (15662022774113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1957752846761 + ... + 1957752846768.

It is an arithmetic number, because the mean of its divisors is an integer number (4568089975785).

Almost surely, 2^{15662022774116} is an apocalyptic number.

It is an amenable number.

15662022774116 is a deficient number, since it is larger than the sum of its proper divisors (11746517080594).

15662022774116 is a wasteful number, since it uses less digits than its factorization.

15662022774116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3915505693533 (or 3915505693531 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 15662022774116 in words is "fifteen trillion, six hundred sixty-two billion, twenty-two million, seven hundred seventy-four thousand, one hundred sixteen".