64554468348218 has 8 divisors (see below), whose sum is σ = 96837945345120. Its totient is φ = 32275153233180.

The previous prime is 64554468348191. The next prime is 64554468348257. The reversal of 64554468348218 is 81284386445546.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1040431688 + ... + 1040493731.

It is an arithmetic number, because the mean of its divisors is an integer number (12104743168140).

Almost surely, 2^{64554468348218} is an apocalyptic number.

64554468348218 is a deficient number, since it is larger than the sum of its proper divisors (32283476996902).

64554468348218 is a wasteful number, since it uses less digits than its factorization.

64554468348218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080940932.

The product of its digits is 707788800, while the sum is 68.

The spelling of 64554468348218 in words is "sixty-four trillion, five hundred fifty-four billion, four hundred sixty-eight million, three hundred forty-eight thousand, two hundred eighteen".