164000776040 has 32 divisors (see below), whose sum is σ = 369026703360. Its totient is φ = 65595873600.

The previous prime is 164000775947. The next prime is 164000776057. The reversal of 164000776040 is 40677000461.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496025 + ... + 757655.

It is an arithmetic number, because the mean of its divisors is an integer number (11532084480).

Almost surely, 2^164000776040 is an apocalyptic number.

164000776040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164000776040 is an abundant number, since it is smaller than the sum of its proper divisors (205025927320).

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

164000776040 is a wasteful number, since it uses less digits than its factorization.

164000776040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277313 (or 277309 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 164000776040 in words is "one hundred sixty-four billion, seven hundred seventy-six thousand, forty".