216462536 has 8 divisors (see below), whose sum is σ = 405867270. Its totient is φ = 108231264.

The previous prime is 216462527. The next prime is 216462557. The reversal of 216462536 is 635264612.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 156400036 + 60062500 = 12506^2 + 7750^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 216462496 and 216462505.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13528901 + ... + 13528916.

Almost surely, 2^216462536 is an apocalyptic number.

It is an amenable number.

216462536 is a deficient number, since it is larger than the sum of its proper divisors (189404734).

216462536 is a wasteful number, since it uses less digits than its factorization.

216462536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27057823 (or 27057819 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The square root of 216462536 is about 14712.6658359388. The cubic root of 216462536 is about 600.4279687394.

The spelling of 216462536 in words is "two hundred sixteen million, four hundred sixty-two thousand, five hundred thirty-six".