216250156 has 12 divisors (see below), whose sum is σ = 378650160. Its totient is φ = 108064400.

The previous prime is 216250147. The next prime is 216250171. The reversal of 216250156 is 651052612.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6616 + ... + 21823.

It is an arithmetic number, because the mean of its divisors is an integer number (31554180).

Almost surely, 2^216250156 is an apocalyptic number.

It is an amenable number.

216250156 is a deficient number, since it is larger than the sum of its proper divisors (162400004).

216250156 is a wasteful number, since it uses less digits than its factorization.

216250156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30344 (or 30342 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 216250156 is about 14705.4464740109. The cubic root of 216250156 is about 600.2315365658.

The spelling of 216250156 in words is "two hundred sixteen million, two hundred fifty thousand, one hundred fifty-six".