216167674 has 32 divisors (see below), whose sum is σ = 347909760. Its totient is φ = 100440000.

The previous prime is 216167671. The next prime is 216167683. The reversal of 216167674 is 476761612.

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

It is not an unprimeable number, because it can be changed into a prime (216167671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 579352 + ... + 579724.

It is an arithmetic number, because the mean of its divisors is an integer number (10872180).

Almost surely, 2^216167674 is an apocalyptic number.

216167674 is a deficient number, since it is larger than the sum of its proper divisors (131742086).

216167674 is a wasteful number, since it uses less digits than its factorization.

216167674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646.

The product of its digits is 84672, while the sum is 40.

The square root of 216167674 is about 14702.6417354161. The cubic root of 216167674 is about 600.1552135482.

The spelling of 216167674 in words is "two hundred sixteen million, one hundred sixty-seven thousand, six hundred seventy-four".