216501048 has 48 divisors (see below), whose sum is σ = 617221800. Its totient is φ = 68368320.

The previous prime is 216500989. The next prime is 216501059. The reversal of 216501048 is 840105612.

216501048 is a `hidden beast` number, since 2 + 1 + 650 + 1 + 0 + 4 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77763 + ... + 80498.

Almost surely, 2^216501048 is an apocalyptic number.

It is an amenable number.

216501048 is an abundant number, since it is smaller than the sum of its proper divisors (400720752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216501048 is a wasteful number, since it uses less digits than its factorization.

216501048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158292 (or 158285 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 216501048 is about 14713.9745820088. The cubic root of 216501048 is about 600.4635750713.

It can be divided in two parts, 216 and 501048, that added together give a square (501264 = 708²).

The spelling of 216501048 in words is "two hundred sixteen million, five hundred one thousand, forty-eight".