8216952516801 has 12 divisors (see below), whose sum is σ = 13564493043712. Its totient is φ = 4695401438136.

The previous prime is 8216952516749. The next prime is 8216952516809. The reversal of 8216952516801 is 1086152596128.

8216952516801 is a `hidden beast` number, since 8 + 21 + 6 + 9 + 525 + 16 + 80 + 1 = 666.

It is not a de Polignac number, because 8216952516801 - 2¹⁵ = 8216952484033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8216952516809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65213908801 + ... + 65213908926.

Almost surely, 2^{8216952516801} is an apocalyptic number.

It is an amenable number.

8216952516801 is a deficient number, since it is larger than the sum of its proper divisors (5347540526911).

8216952516801 is a wasteful number, since it uses less digits than its factorization.

8216952516801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130427817740 (or 130427817737 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 54.

The spelling of 8216952516801 in words is "eight trillion, two hundred sixteen billion, nine hundred fifty-two million, five hundred sixteen thousand, eight hundred one".