662806748132495 has 4 divisors (see below), whose sum is σ = 795368097759000. Its totient is φ = 530245398505992.

The previous prime is 662806748132429. The next prime is 662806748132497. The reversal of 662806748132495 is 594231847608266.

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

It is a cyclic number.

It is not a de Polignac number, because 662806748132495 - 2²⁶ = 662806681023631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662806748132497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66280674813245 + ... + 66280674813254.

It is an arithmetic number, because the mean of its divisors is an integer number (198842024439750).

It is a 1-persistent number, because it is pandigital, but 2⋅662806748132495 = 1325613496264990 is not.

Almost surely, 2^{662806748132495} is an apocalyptic number.

662806748132495 is a deficient number, since it is larger than the sum of its proper divisors (132561349626505).

662806748132495 is a wasteful number, since it uses less digits than its factorization.

662806748132495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132561349626504.

The product of its (nonzero) digits is 836075520, while the sum is 71.

The spelling of 662806748132495 in words is "six hundred sixty-two trillion, eight hundred six billion, seven hundred forty-eight million, one hundred thirty-two thousand, four hundred ninety-five".