667201562783 has 4 divisors (see below), whose sum is σ = 762516071760. Its totient is φ = 571887053808.

The previous prime is 667201562771. The next prime is 667201562803. The reversal of 667201562783 is 387265102766.

It is a happy number.

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

It is not a de Polignac number, because 667201562783 - 2⁶ = 667201562719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667201562983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47657254478 + ... + 47657254491.

It is an arithmetic number, because the mean of its divisors is an integer number (190629017940).

Almost surely, 2^667201562783 is an apocalyptic number.

667201562783 is a deficient number, since it is larger than the sum of its proper divisors (95314508977).

667201562783 is an equidigital number, since it uses as much as digits as its factorization.

667201562783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95314508976.

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 667201562783 in words is "six hundred sixty-seven billion, two hundred one million, five hundred sixty-two thousand, seven hundred eighty-three".