18456600414 has 16 divisors (see below), whose sum is σ = 42186515328. Its totient is φ = 5273314392.

The previous prime is 18456600397. The next prime is 18456600431. The reversal of 18456600414 is 41400665481.

It is an interprime number because it is at equal distance from previous prime (18456600397) and next prime (18456600431).

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, 219721392 + ... + 219721475.

It is an arithmetic number, because the mean of its divisors is an integer number (2636657208).

Almost surely, 2^18456600414 is an apocalyptic number.

18456600414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18456600414 is an abundant number, since it is smaller than the sum of its proper divisors (23729914914).

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

18456600414 is a wasteful number, since it uses less digits than its factorization.

18456600414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439442879.

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 18456600414 in words is "eighteen billion, four hundred fifty-six million, six hundred thousand, four hundred fourteen".