667460551287 has 32 divisors (see below), whose sum is σ = 945816657408. Its totient is φ = 417820081536.

The previous prime is 667460551259. The next prime is 667460551297. The reversal of 667460551287 is 782155064766.

It is not a de Polignac number, because 667460551287 - 2¹⁸ = 667460289143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667460551217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 527973 + ... + 1270305.

It is an arithmetic number, because the mean of its divisors is an integer number (29556770544).

Almost surely, 2^667460551287 is an apocalyptic number.

667460551287 is a deficient number, since it is larger than the sum of its proper divisors (278356106121).

667460551287 is a wasteful number, since it uses less digits than its factorization.

667460551287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742599.

The product of its (nonzero) digits is 16934400, while the sum is 57.

The spelling of 667460551287 in words is "six hundred sixty-seven billion, four hundred sixty million, five hundred fifty-one thousand, two hundred eighty-seven".