1662212536536 has 32 divisors (see below), whose sum is σ = 4374243518400. Its totient is φ = 524909221920.

The previous prime is 1662212536489. The next prime is 1662212536547. The reversal of 1662212536536 is 6356352122661.

It is a happy number.

It is a congruent 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, 1822601010 + ... + 1822601921.

It is an arithmetic number, because the mean of its divisors is an integer number (136695109950).

Almost surely, 2^{1662212536536} is an apocalyptic number.

It is an amenable number.

1662212536536 is an abundant number, since it is smaller than the sum of its proper divisors (2712030981864).

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

1662212536536 is a wasteful number, since it uses less digits than its factorization.

1662212536536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3645202959 (or 3645202955 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 48.

The spelling of 1662212536536 in words is "one trillion, six hundred sixty-two billion, two hundred twelve million, five hundred thirty-six thousand, five hundred thirty-six".