19152018 has 16 divisors (see below), whose sum is σ = 42560160. Its totient is φ = 6383988.

The previous prime is 19151989. The next prime is 19152041. The reversal of 19152018 is 81025191.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 19151982 and 19152000.

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, 177280 + ... + 177387.

It is an arithmetic number, because the mean of its divisors is an integer number (2660010).

Almost surely, 2^19152018 is an apocalyptic number.

19152018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

19152018 is an abundant number, since it is smaller than the sum of its proper divisors (23408142).

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

19152018 is a wasteful number, since it uses less digits than its factorization.

19152018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354678 (or 354672 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The square root of 19152018 is about 4376.3018634459. The cubic root of 19152018 is about 267.5499333227.

The spelling of 19152018 in words is "nineteen million, one hundred fifty-two thousand, eighteen".