1662036604536 has 128 divisors (see below), whose sum is σ = 5180739471360. Its totient is φ = 431667350400.

The previous prime is 1662036604517. The next prime is 1662036604549. The reversal of 1662036604536 is 6354066302661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39428191 + ... + 39470321.

It is an arithmetic number, because the mean of its divisors is an integer number (40474527120).

Almost surely, 2^{1662036604536} is an apocalyptic number.

It is an amenable number.

1662036604536 is an abundant number, since it is smaller than the sum of its proper divisors (3518702866824).

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

1662036604536 is a wasteful number, since it uses less digits than its factorization.

1662036604536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63505 (or 63501 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 48.

The spelling of 1662036604536 in words is "one trillion, six hundred sixty-two billion, thirty-six million, six hundred four thousand, five hundred thirty-six".