18094446615 has 32 divisors (see below), whose sum is σ = 34227924480. Its totient is φ = 7986513024.

The previous prime is 18094446607. The next prime is 18094446641. The reversal of 18094446615 is 51664449081.

It is not a de Polignac number, because 18094446615 - 2³ = 18094446607 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2968129 + ... + 2974218.

It is an arithmetic number, because the mean of its divisors is an integer number (1069622640).

Almost surely, 2^18094446615 is an apocalyptic number.

18094446615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18094446615 is a deficient number, since it is larger than the sum of its proper divisors (16133477865).

18094446615 is a wasteful number, since it uses less digits than its factorization.

18094446615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5942391.

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 18094446615 in words is "eighteen billion, ninety-four million, four hundred forty-six thousand, six hundred fifteen".