164415066333556 has 12 divisors (see below), whose sum is σ = 289186906014468. Its totient is φ = 81790236043712.

The previous prime is 164415066333467. The next prime is 164415066333563. The reversal of 164415066333556 is 655333660514461.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 149588408041956 + 14826658291600 = 12230634^2 + 3850540^2 .

It is a super-3 number, since 3×164415066333556³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 164415066333556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104324279881 + ... + 104324281456.

It is an arithmetic number, because the mean of its divisors is an integer number (24098908834539).

Almost surely, 2^{164415066333556} is an apocalyptic number.

It is an amenable number.

164415066333556 is a deficient number, since it is larger than the sum of its proper divisors (124771839680912).

164415066333556 is a wasteful number, since it uses less digits than its factorization.

164415066333556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208648561538 (or 208648561536 counting only the distinct ones).

The product of its (nonzero) digits is 69984000, while the sum is 58.

The spelling of 164415066333556 in words is "one hundred sixty-four trillion, four hundred fifteen billion, sixty-six million, three hundred thirty-three thousand, five hundred fifty-six".