64473367716 has 48 divisors (see below), whose sum is σ = 167189225280. Its totient is φ = 21486487680.

The previous prime is 64473367691. The next prime is 64473367727. The reversal of 64473367716 is 61776337446.

64473367716 is a `hidden beast` number, since 64 + 473 + 36 + 77 + 16 = 666.

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

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, 458271 + ... + 582201.

It is an arithmetic number, because the mean of its divisors is an integer number (3483108860).

Almost surely, 2^64473367716 is an apocalyptic number.

It is an amenable number.

64473367716 is an abundant number, since it is smaller than the sum of its proper divisors (102715857564).

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

64473367716 is a wasteful number, since it uses less digits than its factorization.

64473367716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128761 (or 128753 counting only the distinct ones).

The product of its digits is 10668672, while the sum is 54.

The spelling of 64473367716 in words is "sixty-four billion, four hundred seventy-three million, three hundred sixty-seven thousand, seven hundred sixteen".