216156662 has 8 divisors (see below), whose sum is σ = 335415600. Its totient is φ = 104351464.

The previous prime is 216156623. The next prime is 216156697. The reversal of 216156662 is 266651612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 1863362 + ... + 1863477.

It is an arithmetic number, because the mean of its divisors is an integer number (41926950).

Almost surely, 2^216156662 is an apocalyptic number.

216156662 is a deficient number, since it is larger than the sum of its proper divisors (119258938).

216156662 is a wasteful number, since it uses less digits than its factorization.

216156662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3726870.

The product of its digits is 25920, while the sum is 35.

The square root of 216156662 is about 14702.2672401232. The cubic root of 216156662 is about 600.1450223521.

The spelling of 216156662 in words is "two hundred sixteen million, one hundred fifty-six thousand, six hundred sixty-two".