667460361843 has 48 divisors (see below), whose sum is σ = 1082250014976. Its totient is φ = 392834733120.

The previous prime is 667460361809. The next prime is 667460361853. The reversal of 667460361843 is 348163064766.

It is not a de Polignac number, because 667460361843 - 2¹⁴ = 667460345459 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 667460361843.

It is not an unprimeable number, because it can be changed into a prime (667460361853) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1741546 + ... + 2089952.

It is an arithmetic number, because the mean of its divisors is an integer number (22546875312).

Almost surely, 2^667460361843 is an apocalyptic number.

667460361843 is a deficient number, since it is larger than the sum of its proper divisors (414789653133).

667460361843 is a wasteful number, since it uses less digits than its factorization.

667460361843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348984 (or 348981 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 54.

The spelling of 667460361843 in words is "six hundred sixty-seven billion, four hundred sixty million, three hundred sixty-one thousand, eight hundred forty-three".