273360816 has 60 divisors (see below), whose sum is σ = 810039672. Its totient is φ = 85759488.

The previous prime is 273360793. The next prime is 273360823. The reversal of 273360816 is 618063372.

It is a happy number.

273360816 is a `hidden beast` number, since 2 + 7 + 33 + 608 + 16 = 666.

It is a super-2 number, since 2×273360816² = 149452271448371712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 53386 + ... + 58281.

Almost surely, 2^273360816 is an apocalyptic number.

It is an amenable number.

273360816 is an abundant number, since it is smaller than the sum of its proper divisors (536678856).

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

273360816 is a wasteful number, since it uses less digits than its factorization.

273360816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111698 (or 111689 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 273360816 is about 16533.6268253520. The cubic root of 273360816 is about 649.0010818253.

The spelling of 273360816 in words is "two hundred seventy-three million, three hundred sixty thousand, eight hundred sixteen".