1662309180095 has 4 divisors (see below), whose sum is σ = 1994771016120. Its totient is φ = 1329847344072.

The previous prime is 1662309180073. The next prime is 1662309180107. The reversal of 1662309180095 is 5900819032661.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1662309180095 is a prime.

It is a super-2 number, since 2×1662309180095² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 166230918005 + ... + 166230918014.

It is an arithmetic number, because the mean of its divisors is an integer number (498692754030).

Almost surely, 2^{1662309180095} is an apocalyptic number.

1662309180095 is a deficient number, since it is larger than the sum of its proper divisors (332461836025).

1662309180095 is an equidigital number, since it uses as much as digits as its factorization.

1662309180095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332461836024.

The product of its (nonzero) digits is 699840, while the sum is 50.

The spelling of 1662309180095 in words is "one trillion, six hundred sixty-two billion, three hundred nine million, one hundred eighty thousand, ninety-five".