673157702466 has 64 divisors (see below), whose sum is σ = 1536530486400. Its totient is φ = 218293766208.

The previous prime is 673157702449. The next prime is 673157702519. The reversal of 673157702466 is 664207751376.

It is a happy number.

673157702466 is a `hidden beast` number, since 6 + 7 + 3 + 1 + 577 + 0 + 2 + 4 + 66 = 666.

673157702466 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20880976 + ... + 20913188.

It is an arithmetic number, because the mean of its divisors is an integer number (24008288850).

Almost surely, 2^673157702466 is an apocalyptic number.

673157702466 is an abundant number, since it is smaller than the sum of its proper divisors (863372783934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

673157702466 is a wasteful number, since it uses less digits than its factorization.

673157702466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42720 (or 42714 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 54.

The spelling of 673157702466 in words is "six hundred seventy-three billion, one hundred fifty-seven million, seven hundred two thousand, four hundred sixty-six".