1016563366215 has 80 divisors (see below), whose sum is σ = 1831972428000. Its totient is φ = 539292411648.

The previous prime is 1016563366211. The next prime is 1016563366253. The reversal of 1016563366215 is 5126633656101.

It is a happy number.

1016563366215 is a `hidden beast` number, since 1 + 0 + 1 + 6 + 5 + 633 + 6 + 6 + 2 + 1 + 5 = 666.

It is not a de Polignac number, because 1016563366215 - 2² = 1016563366211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016563366211) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 58755636 + ... + 58772934.

It is an arithmetic number, because the mean of its divisors is an integer number (22899655350).

Almost surely, 2^{1016563366215} is an apocalyptic number.

1016563366215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1016563366215 is a deficient number, since it is larger than the sum of its proper divisors (815409061785).

1016563366215 is a wasteful number, since it uses less digits than its factorization.

1016563366215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18078 (or 18069 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The spelling of 1016563366215 in words is "one trillion, sixteen billion, five hundred sixty-three million, three hundred sixty-six thousand, two hundred fifteen".