18467516064 has 24 divisors (see below), whose sum is σ = 48477229920. Its totient is φ = 6155838656.

The previous prime is 18467516033. The next prime is 18467516101. The reversal of 18467516064 is 46061576481.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96184884 + ... + 96185075.

It is an arithmetic number, because the mean of its divisors is an integer number (2019884580).

Almost surely, 2^18467516064 is an apocalyptic number.

It is an amenable number.

18467516064 is an abundant number, since it is smaller than the sum of its proper divisors (30009713856).

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

18467516064 is a wasteful number, since it uses less digits than its factorization.

18467516064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192369972 (or 192369964 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 18467516064 in words is "eighteen billion, four hundred sixty-seven million, five hundred sixteen thousand, sixty-four".