665377848073 has 8 divisors (see below), whose sum is σ = 666768154976. Its totient is φ = 663988946400.

The previous prime is 665377847989. The next prime is 665377848101. The reversal of 665377848073 is 370848773566.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-665377848073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 665377847996 and 665377848014.

It is not an unprimeable number, because it can be changed into a prime (665377648073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 599365 + ... + 1299997.

It is an arithmetic number, because the mean of its divisors is an integer number (83346019372).

Almost surely, 2^665377848073 is an apocalyptic number.

It is an amenable number.

665377848073 is a deficient number, since it is larger than the sum of its proper divisors (1390306903).

665377848073 is a wasteful number, since it uses less digits than its factorization.

665377848073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702615.

The product of its (nonzero) digits is 142248960, while the sum is 64.

The spelling of 665377848073 in words is "six hundred sixty-five billion, three hundred seventy-seven million, eight hundred forty-eight thousand, seventy-three".