28731443160316 has 48 divisors (see below), whose sum is σ = 57446400040960. Its totient is φ = 12463817042880.

The previous prime is 28731443160307. The next prime is 28731443160323. The reversal of 28731443160316 is 61306134413782.

It is a self number, because there is not a number n which added to its sum of digits gives 28731443160316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114364320 + ... + 114615271.

Almost surely, 2^{28731443160316} is an apocalyptic number.

28731443160316 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

28731443160316 is a deficient number, since it is larger than the sum of its proper divisors (28714956880644).

28731443160316 is a wasteful number, since it uses less digits than its factorization.

28731443160316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228979754 (or 228979752 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 28731443160316 in words is "twenty-eight trillion, seven hundred thirty-one billion, four hundred forty-three million, one hundred sixty thousand, three hundred sixteen".