16169474049 has 8 divisors (see below), whose sum is σ = 21559934112. Its totient is φ = 10779331680.

The previous prime is 16169474023. The next prime is 16169474063. The reversal of 16169474049 is 94047496161.

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

It is not a de Polignac number, because 16169474049 - 2³² = 11874506753 is a prime.

It is a super-2 number, since 2×16169474049² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16169473992 and 16169474010.

It is not an unprimeable number, because it can be changed into a prime (16169474089) 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, 92509 + ... + 202229.

It is an arithmetic number, because the mean of its divisors is an integer number (2694991764).

Almost surely, 2^16169474049 is an apocalyptic number.

It is an amenable number.

16169474049 is a deficient number, since it is larger than the sum of its proper divisors (5390460063).

16169474049 is a wasteful number, since it uses less digits than its factorization.

16169474049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158847.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The spelling of 16169474049 in words is "sixteen billion, one hundred sixty-nine million, four hundred seventy-four thousand, forty-nine".