164280321476 has 6 divisors (see below), whose sum is σ = 287490562590. Its totient is φ = 82140160736.

The previous prime is 164280321451. The next prime is 164280321497. The reversal of 164280321476 is 674123082461.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 155448832900 + 8831488576 = 394270^2 + 93976^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20535040181 + ... + 20535040188.

It is an arithmetic number, because the mean of its divisors is an integer number (47915093765).

Almost surely, 2^164280321476 is an apocalyptic number.

It is an amenable number.

164280321476 is a deficient number, since it is larger than the sum of its proper divisors (123210241114).

164280321476 is a wasteful number, since it uses less digits than its factorization.

164280321476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41070080373 (or 41070080371 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 164280321476 in words is "one hundred sixty-four billion, two hundred eighty million, three hundred twenty-one thousand, four hundred seventy-six".