1662603340550 has 48 divisors (see below), whose sum is σ = 3151223723952. Its totient is φ = 652403606400.

The previous prime is 1662603340547. The next prime is 1662603340553. The reversal of 1662603340550 is 550433062661.

It is an interprime number because it is at equal distance from previous prime (1662603340547) and next prime (1662603340553).

It is a junction number, because it is equal to n+sod(n) for n = 1662603340498 and 1662603340507.

It is a congruent number.

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

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21189992 + ... + 21268308.

It is an arithmetic number, because the mean of its divisors is an integer number (65650494249).

Almost surely, 2^{1662603340550} is an apocalyptic number.

1662603340550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1662603340550 is a deficient number, since it is larger than the sum of its proper divisors (1488620383402).

1662603340550 is a wasteful number, since it uses less digits than its factorization.

1662603340550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86393 (or 86388 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 1662603340550 in words is "one trillion, six hundred sixty-two billion, six hundred three million, three hundred forty thousand, five hundred fifty".