216163070 has 32 divisors (see below), whose sum is σ = 401556960. Its totient is φ = 83727360.

The previous prime is 216163067. The next prime is 216163117. The reversal of 216163070 is 70361612.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55094 + ... + 58886.

It is an arithmetic number, because the mean of its divisors is an integer number (12548655).

Almost surely, 2^216163070 is an apocalyptic number.

216163070 is a deficient number, since it is larger than the sum of its proper divisors (185393890).

216163070 is a wasteful number, since it uses less digits than its factorization.

216163070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3980.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 216163070 is about 14702.4851640803. The cubic root of 216163070 is about 600.1509527597.

The spelling of 216163070 in words is "two hundred sixteen million, one hundred sixty-three thousand, seventy".