273845899216656 has 100 divisors (see below), whose sum is σ = 853557903154572. Its totient is φ = 84260276676864.

The previous prime is 273845899216607. The next prime is 273845899216663. The reversal of 273845899216656 is 656612998548372.

273845899216656 is a `hidden beast` number, since 2 + 7 + 3 + 8 + 4 + 589 + 9 + 21 + 6 + 6 + 5 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 160999554873600 + 112846344343056 = 12688560^2 + 10622916^2 .

It is a Harshad number since it is a multiple of its sum of digits (81).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8126938851 + ... + 8126972546.

Almost surely, 2^{273845899216656} is an apocalyptic number.

273845899216656 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

273845899216656 is an abundant number, since it is smaller than the sum of its proper divisors (579712003937916).

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

273845899216656 is a wasteful number, since it uses less digits than its factorization.

273845899216656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16253911430 (or 16253911415 counting only the distinct ones).

The product of its digits is 9405849600, while the sum is 81.

The spelling of 273845899216656 in words is "two hundred seventy-three trillion, eight hundred forty-five billion, eight hundred ninety-nine million, two hundred sixteen thousand, six hundred fifty-six".