816211048 has 16 divisors (see below), whose sum is σ = 1532926080. Its totient is φ = 407430768.

The previous prime is 816211013. The next prime is 816211057. The reversal of 816211048 is 840112618.

It is a super-3 number, since 3×816211048³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79186 + ... + 88897.

It is an arithmetic number, because the mean of its divisors is an integer number (95807880).

Almost surely, 2^816211048 is an apocalyptic number.

It is an amenable number.

816211048 is a deficient number, since it is larger than the sum of its proper divisors (716715032).

816211048 is a wasteful number, since it uses less digits than its factorization.

816211048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168696 (or 168692 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 816211048 is about 28569.4075542354. The cubic root of 816211048 is about 934.5463012783.

The spelling of 816211048 in words is "eight hundred sixteen million, two hundred eleven thousand, forty-eight".