67764834066 has 32 divisors (see below), whose sum is σ = 142674840000. Its totient is φ = 21397616640.

The previous prime is 67764834041. The next prime is 67764834101. The reversal of 67764834066 is 66043846776.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 67764833997 and 67764834015.

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 15 ways as a sum of consecutive naturals, for example, 2178946 + ... + 2209826.

It is an arithmetic number, because the mean of its divisors is an integer number (4458588750).

Almost surely, 2^67764834066 is an apocalyptic number.

67764834066 is an abundant number, since it is smaller than the sum of its proper divisors (74910005934).

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

67764834066 is a wasteful number, since it uses less digits than its factorization.

67764834066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50154.

The product of its (nonzero) digits is 24385536, while the sum is 57.

The spelling of 67764834066 in words is "sixty-seven billion, seven hundred sixty-four million, eight hundred thirty-four thousand, sixty-six".