18454175946 has 16 divisors (see below), whose sum is σ = 41009280000. Its totient is φ = 6151391964.

The previous prime is 18454175939. The next prime is 18454175951. The reversal of 18454175946 is 64957145481.

18454175946 is a `hidden beast` number, since 1 + 8 + 4 + 5 + 41 + 7 + 594 + 6 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 341743999 = 18454175946 / (1 + 8 + 4 + 5 + 4 + 1 + 7 + 5 + 9 + 4 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 18454175892 and 18454175901.

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, 170871946 + ... + 170872053.

It is an arithmetic number, because the mean of its divisors is an integer number (2563080000).

Almost surely, 2^18454175946 is an apocalyptic number.

18454175946 is an abundant number, since it is smaller than the sum of its proper divisors (22555104054).

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

18454175946 is a wasteful number, since it uses less digits than its factorization.

18454175946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341744010 (or 341744004 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The spelling of 18454175946 in words is "eighteen billion, four hundred fifty-four million, one hundred seventy-five thousand, nine hundred forty-six".