18414316072 has 8 divisors (see below), whose sum is σ = 34526842650. Its totient is φ = 9207158032.

The previous prime is 18414316069. The next prime is 18414316079. The reversal of 18414316072 is 27061341481.

It can be written as a sum of positive squares in only one way, i.e., 18412861636 + 1454436 = 135694^2 + 1206^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (18414316079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1150894747 + ... + 1150894762.

Almost surely, 2^18414316072 is an apocalyptic number.

It is an amenable number.

18414316072 is a deficient number, since it is larger than the sum of its proper divisors (16112526578).

18414316072 is a wasteful number, since it uses less digits than its factorization.

18414316072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301789515 (or 2301789511 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 18414316072 in words is "eighteen billion, four hundred fourteen million, three hundred sixteen thousand, seventy-two".