816546162786 has 32 divisors (see below), whose sum is σ = 1695686270400. Its totient is φ = 261819512640.

The previous prime is 816546162749. The next prime is 816546162797. The reversal of 816546162786 is 687261645618.

It is a happy number.

It is a super-3 number, since 3×816546162786³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 8675860 + ... + 8769471.

It is an arithmetic number, because the mean of its divisors is an integer number (52990195950).

Almost surely, 2^816546162786 is an apocalyptic number.

816546162786 is an abundant number, since it is smaller than the sum of its proper divisors (879140107614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

816546162786 is a wasteful number, since it uses less digits than its factorization.

816546162786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17445634.

The product of its digits is 23224320, while the sum is 60.

The spelling of 816546162786 in words is "eight hundred sixteen billion, five hundred forty-six million, one hundred sixty-two thousand, seven hundred eighty-six".