18119078 has 16 divisors (see below), whose sum is σ = 28788480. Its totient is φ = 8534856.

The previous prime is 18119071. The next prime is 18119081. The reversal of 18119078 is 87091181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18119071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143 + ... + 6021.

It is an arithmetic number, because the mean of its divisors is an integer number (1799280).

Almost surely, 2^18119078 is an apocalyptic number.

18119078 is a deficient number, since it is larger than the sum of its proper divisors (10669402).

18119078 is a wasteful number, since it uses less digits than its factorization.

18119078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5971.

The product of its (nonzero) digits is 4032, while the sum is 35.

The square root of 18119078 is about 4256.6510310337. The cubic root of 18119078 is about 262.6507820050.

The spelling of 18119078 in words is "eighteen million, one hundred nineteen thousand, seventy-eight".