18196041015 has 32 divisors (see below), whose sum is σ = 33392025600. Its totient is φ = 9391502880.

The previous prime is 18196040999. The next prime is 18196041029. The reversal of 18196041015 is 51014069181.

It is a happy number.

18196041015 is a `hidden beast` number, since 18 + 19 + 604 + 10 + 15 = 666.

It is not a de Polignac number, because 18196041015 - 2⁴ = 18196040999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2169775 + ... + 2178144.

It is an arithmetic number, because the mean of its divisors is an integer number (1043500800).

Almost surely, 2^18196041015 is an apocalyptic number.

18196041015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18196041015 is a deficient number, since it is larger than the sum of its proper divisors (15195984585).

18196041015 is a wasteful number, since it uses less digits than its factorization.

18196041015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4347964 (or 4347958 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 36.

The spelling of 18196041015 in words is "eighteen billion, one hundred ninety-six million, forty-one thousand, fifteen".