812069163355 has 16 divisors (see below), whose sum is σ = 1031892544800. Its totient is φ = 611388744192.

The previous prime is 812069163343. The next prime is 812069163371. The reversal of 812069163355 is 553361960218.

It is a happy number.

It is not a de Polignac number, because 812069163355 - 2⁹ = 812069162843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 812069163299 and 812069163308.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 626296 + ... + 1419994.

It is an arithmetic number, because the mean of its divisors is an integer number (64493284050).

Almost surely, 2^812069163355 is an apocalyptic number.

812069163355 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

812069163355 is a deficient number, since it is larger than the sum of its proper divisors (219823381445).

812069163355 is a wasteful number, since it uses less digits than its factorization.

812069163355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805758.

The product of its (nonzero) digits is 1166400, while the sum is 49.

The spelling of 812069163355 in words is "eight hundred twelve billion, sixty-nine million, one hundred sixty-three thousand, three hundred fifty-five".