418789163616 has 48 divisors (see below), whose sum is σ = 1099356862464. Its totient is φ = 139591904384.

The previous prime is 418789163593. The next prime is 418789163621. The reversal of 418789163616 is 616361987814.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 418789163616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4436785 + ... + 4530191.

It is an arithmetic number, because the mean of its divisors is an integer number (22903267968).

Almost surely, 2^418789163616 is an apocalyptic number.

It is an amenable number.

418789163616 is an abundant number, since it is smaller than the sum of its proper divisors (680567698848).

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

418789163616 is a wasteful number, since it uses less digits than its factorization.

418789163616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140123 (or 140115 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 60.

The spelling of 418789163616 in words is "four hundred eighteen billion, seven hundred eighty-nine million, one hundred sixty-three thousand, six hundred sixteen".