549538000016 has 10 divisors (see below), whose sum is σ = 1064729875062. Its totient is φ = 274769000000.

The previous prime is 549537999991. The next prime is 549538000021. The reversal of 549538000016 is 610000835945.

It can be written as a sum of positive squares in only one way, i.e., 544525926400 + 5012073616 = 737920^2 + 70796^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17173062485 + ... + 17173062516.

Almost surely, 2^549538000016 is an apocalyptic number.

It is an amenable number.

549538000016 is a deficient number, since it is larger than the sum of its proper divisors (515191875046).

549538000016 is a wasteful number, since it uses less digits than its factorization.

549538000016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34346125009 (or 34346125003 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 549538000016 in words is "five hundred forty-nine billion, five hundred thirty-eight million, sixteen", and thus it is an aban number.