816914053653 has 16 divisors (see below), whose sum is σ = 1100740368000. Its totient is φ = 538878795840.

The previous prime is 816914053601. The next prime is 816914053667. The reversal of 816914053653 is 356350419618.

It is not a de Polignac number, because 816914053653 - 2¹³ = 816914045461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 816914053596 and 816914053605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816914053673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3671958 + ... + 3888071.

It is an arithmetic number, because the mean of its divisors is an integer number (68796273000).

Almost surely, 2^816914053653 is an apocalyptic number.

It is an amenable number.

816914053653 is a deficient number, since it is larger than the sum of its proper divisors (283826314347).

816914053653 is a wasteful number, since it uses less digits than its factorization.

816914053653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7560412.

The product of its (nonzero) digits is 2332800, while the sum is 51.

The spelling of 816914053653 in words is "eight hundred sixteen billion, nine hundred fourteen million, fifty-three thousand, six hundred fifty-three".