18696146 has 24 divisors (see below), whose sum is σ = 33094656. Its totient is φ = 7896840.

The previous prime is 18696127. The next prime is 18696163. The reversal of 18696146 is 64169681.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5615 + ... + 8301.

It is an arithmetic number, because the mean of its divisors is an integer number (1378944).

Almost surely, 2^18696146 is an apocalyptic number.

18696146 is a deficient number, since it is larger than the sum of its proper divisors (14398510).

18696146 is a wasteful number, since it uses less digits than its factorization.

18696146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2774 (or 2767 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The square root of 18696146 is about 4323.9040229866. The cubic root of 18696146 is about 265.4100498827.

It can be divided in two parts, 18696 and 146, that multiplied together give a triangular number (2729616 = T₂₃₃₆).

The spelling of 18696146 in words is "eighteen million, six hundred ninety-six thousand, one hundred forty-six".