36664554564 has 144 divisors (see below), whose sum is σ = 106213161600. Its totient is φ = 10555691520.

The previous prime is 36664554527. The next prime is 36664554571. The reversal of 36664554564 is 46545546663.

It is a super-3 number, since 3×36664554564³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 36664554564.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1343584 + ... + 1370600.

It is an arithmetic number, because the mean of its divisors is an integer number (737591400).

Almost surely, 2^36664554564 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36664554564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53106580800).

36664554564 is an abundant number, since it is smaller than the sum of its proper divisors (69548607036).

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

36664554564 is a wasteful number, since it uses less digits than its factorization.

36664554564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27210 (or 27205 counting only the distinct ones).

The product of its digits is 31104000, while the sum is 54.

The spelling of 36664554564 in words is "thirty-six billion, six hundred sixty-four million, five hundred fifty-four thousand, five hundred sixty-four".