18190458036 has 36 divisors (see below), whose sum is σ = 47684454272. Its totient is φ = 6063485688.

The previous prime is 18190458029. The next prime is 18190458043. The reversal of 18190458036 is 63085409181.

18190458036 is a `hidden beast` number, since 1 + 8 + 190 + 458 + 0 + 3 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (18190458029) and next prime (18190458043).

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 18190457982 and 18190458000.

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 11 ways as a sum of consecutive naturals, for example, 9356260 + ... + 9358203.

Almost surely, 2^18190458036 is an apocalyptic number.

It is an amenable number.

18190458036 is an abundant number, since it is smaller than the sum of its proper divisors (29493996236).

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

18190458036 is a wasteful number, since it uses less digits than its factorization.

18190458036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18714482 (or 18714468 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 18190458036 in words is "eighteen billion, one hundred ninety million, four hundred fifty-eight thousand, thirty-six".