461213715887668 has 48 divisors (see below), whose sum is σ = 850903476885504. Its totient is φ = 218415462981120.

The previous prime is 461213715887657. The next prime is 461213715887671. The reversal of 461213715887668 is 866788517312164.

It is a self number, because there is not a number n which added to its sum of digits gives 461213715887668.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312653196 + ... + 314124892.

It is an arithmetic number, because the mean of its divisors is an integer number (17727155768448).

Almost surely, 2^{461213715887668} is an apocalyptic number.

It is an amenable number.

461213715887668 is a deficient number, since it is larger than the sum of its proper divisors (389689760997836).

461213715887668 is a wasteful number, since it uses less digits than its factorization.

461213715887668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525552 (or 1525550 counting only the distinct ones).

The product of its digits is 650280960, while the sum is 73.

The spelling of 461213715887668 in words is "four hundred sixty-one trillion, two hundred thirteen billion, seven hundred fifteen million, eight hundred eighty-seven thousand, six hundred sixty-eight".