273216161402280 has 96 divisors (see below), whose sum is σ = 911951241481800. Its totient is φ = 70888517549568.

The previous prime is 273216161402231. The next prime is 273216161402287. The reversal of 273216161402280 is 82204161612372.

273216161402280 is a `hidden beast` number, since 2 + 7 + 3 + 2 + 1 + 6 + 1 + 614 + 0 + 2 + 28 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 272451799380996 + 764362021284 = 16506114^2 + 874278^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (273216161402287) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10255848595 + ... + 10255875234.

Almost surely, 2^{273216161402280} is an apocalyptic number.

273216161402280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

273216161402280 is an abundant number, since it is smaller than the sum of its proper divisors (638735080079520).

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

273216161402280 is a wasteful number, since it uses less digits than its factorization.

273216161402280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20511723883 (or 20511723876 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 273216161402280 in words is "two hundred seventy-three trillion, two hundred sixteen billion, one hundred sixty-one million, four hundred two thousand, two hundred eighty".