16049674457 has 8 divisors (see below), whose sum is σ = 16073084040. Its totient is φ = 16026284160.

The previous prime is 16049674439. The next prime is 16049674499. The reversal of 16049674457 is 75447694061.

It can be written as a sum of positive squares in 4 ways, for example, as 5173061776 + 10876612681 = 71924^2 + 104291^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16049674457 - 2²² = 16045480153 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16049674399 and 16049674408.

It is not an unprimeable number, because it can be changed into a prime (16049274457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2519957 + ... + 2526317.

It is an arithmetic number, because the mean of its divisors is an integer number (2009135505).

Almost surely, 2^16049674457 is an apocalyptic number.

It is an amenable number.

16049674457 is a deficient number, since it is larger than the sum of its proper divisors (23409583).

16049674457 is a wasteful number, since it uses less digits than its factorization.

16049674457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9643.

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 16049674457 in words is "sixteen billion, forty-nine million, six hundred seventy-four thousand, four hundred fifty-seven".