1662540501675 has 24 divisors (see below), whose sum is σ = 2751324462000. Its totient is φ = 885852515200.

The previous prime is 1662540501617. The next prime is 1662540501707. The reversal of 1662540501675 is 5761050452661.

It is not a de Polignac number, because 1662540501675 - 2¹⁰ = 1662540500651 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10366800 + ... + 10525949.

It is an arithmetic number, because the mean of its divisors is an integer number (114638519250).

Almost surely, 2^{1662540501675} is an apocalyptic number.

1662540501675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1662540501675 is a deficient number, since it is larger than the sum of its proper divisors (1088783960325).

1662540501675 is a wasteful number, since it uses less digits than its factorization.

1662540501675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20893823 (or 20893818 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 48.

The spelling of 1662540501675 in words is "one trillion, six hundred sixty-two billion, five hundred forty million, five hundred one thousand, six hundred seventy-five".