126816216 has 32 divisors (see below), whose sum is σ = 317822400. Its totient is φ = 42167840.

The previous prime is 126816197. The next prime is 126816223. The reversal of 126816216 is 612618621.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3751 + ... + 16361.

It is an arithmetic number, because the mean of its divisors is an integer number (9931950).

Almost surely, 2^126816216 is an apocalyptic number.

It is an amenable number.

126816216 is an abundant number, since it is smaller than the sum of its proper divisors (191006184).

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

126816216 is a wasteful number, since it uses less digits than its factorization.

126816216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13039 (or 13035 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 126816216 is about 11261.2706210267. The cubic root of 126816216 is about 502.4099865995.

The spelling of 126816216 in words is "one hundred twenty-six million, eight hundred sixteen thousand, two hundred sixteen".