18063956 has 12 divisors (see below), whose sum is σ = 32347392. Its totient is φ = 8821848.

The previous prime is 18063953. The next prime is 18063961. The reversal of 18063956 is 65936081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18063953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52340 + ... + 52683.

It is an arithmetic number, because the mean of its divisors is an integer number (2695616).

Almost surely, 2^18063956 is an apocalyptic number.

It is an amenable number.

18063956 is a deficient number, since it is larger than the sum of its proper divisors (14283436).

18063956 is a wasteful number, since it uses less digits than its factorization.

18063956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105070 (or 105068 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 18063956 is about 4250.1712906658. The cubic root of 18063956 is about 262.3841653703.

The spelling of 18063956 in words is "eighteen million, sixty-three thousand, nine hundred fifty-six".