18850107 has 16 divisors (see below), whose sum is σ = 25596032. Its totient is φ = 12337920.

The previous prime is 18850103. The next prime is 18850121. The reversal of 18850107 is 70105881.

It is not a de Polignac number, because 18850107 - 2² = 18850103 is a prime.

It is a super-2 number, since 2×18850107² = 710653067822898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18850103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61248 + ... + 61554.

It is an arithmetic number, because the mean of its divisors is an integer number (1599752).

Almost surely, 2^18850107 is an apocalyptic number.

18850107 is a deficient number, since it is larger than the sum of its proper divisors (6745925).

18850107 is a wasteful number, since it uses less digits than its factorization.

18850107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618.

The product of its (nonzero) digits is 2240, while the sum is 30.

The square root of 18850107 is about 4341.6709916805. The cubic root of 18850107 is about 266.1366014040.

Adding to 18850107 its reverse (70105881), we get a palindrome (88955988).

The spelling of 18850107 in words is "eighteen million, eight hundred fifty thousand, one hundred seven".