216156302 has 4 divisors (see below), whose sum is σ = 324234456. Its totient is φ = 108078150.

The previous prime is 216156301. The next prime is 216156307. The reversal of 216156302 is 203651612.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216156301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54039074 + ... + 54039077.

It is an arithmetic number, because the mean of its divisors is an integer number (81058614).

Almost surely, 2^216156302 is an apocalyptic number.

216156302 is a deficient number, since it is larger than the sum of its proper divisors (108078154).

216156302 is a wasteful number, since it uses less digits than its factorization.

216156302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108078153.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 216156302 is about 14702.2549971084. The cubic root of 216156302 is about 600.1446891797.

The spelling of 216156302 in words is "two hundred sixteen million, one hundred fifty-six thousand, three hundred two".