16993445548 has 12 divisors (see below), whose sum is σ = 31487855112. Its totient is φ = 7996915520.

The previous prime is 16993445527. The next prime is 16993445561. The reversal of 16993445548 is 84554439961.

It is a junction number, because it is equal to n+sod(n) for n = 16993445492 and 16993445501.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124951738 + ... + 124951873.

It is an arithmetic number, because the mean of its divisors is an integer number (2623987926).

Almost surely, 2^16993445548 is an apocalyptic number.

It is an amenable number.

16993445548 is a deficient number, since it is larger than the sum of its proper divisors (14494409564).

16993445548 is a wasteful number, since it uses less digits than its factorization.

16993445548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249903632 (or 249903630 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 58.

The spelling of 16993445548 in words is "sixteen billion, nine hundred ninety-three million, four hundred forty-five thousand, five hundred forty-eight".