6785406638162 has 16 divisors (see below), whose sum is σ = 10762690627584. Its totient is φ = 3203181732000.

The previous prime is 6785406638107. The next prime is 6785406638191. The reversal of 6785406638162 is 2618366045876.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a junction number, because it is equal to n+sod(n) for n = 6785406638095 and 6785406638104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1334656514 + ... + 1334661597.

It is an arithmetic number, because the mean of its divisors is an integer number (672668164224).

Almost surely, 2^{6785406638162} is an apocalyptic number.

6785406638162 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

6785406638162 is a deficient number, since it is larger than the sum of its proper divisors (3977283989422).

6785406638162 is a wasteful number, since it uses less digits than its factorization.

6785406638162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669318185.

The product of its (nonzero) digits is 69672960, while the sum is 62.

The spelling of 6785406638162 in words is "six trillion, seven hundred eighty-five billion, four hundred six million, six hundred thirty-eight thousand, one hundred sixty-two".