1662603340552 has 32 divisors (see below), whose sum is σ = 3886605213120. Its totient is φ = 647767535040.

The previous prime is 1662603340547. The next prime is 1662603340553. The reversal of 1662603340552 is 2550433062661.

It is a junction number, because it is equal to n+sod(n) for n = 1662603340499 and 1662603340508.

It is not an unprimeable number, because it can be changed into a prime (1662603340553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1349515083 + ... + 1349516314.

It is an arithmetic number, because the mean of its divisors is an integer number (121456412910).

Almost surely, 2^{1662603340552} is an apocalyptic number.

It is an amenable number.

1662603340552 is an abundant number, since it is smaller than the sum of its proper divisors (2224001872568).

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

1662603340552 is a wasteful number, since it uses less digits than its factorization.

1662603340552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699031421 (or 2699031417 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 1662603340552 in words is "one trillion, six hundred sixty-two billion, six hundred three million, three hundred forty thousand, five hundred fifty-two".