16490049161 has 8 divisors (see below), whose sum is σ = 16895485824. Its totient is φ = 16084766880.

The previous prime is 16490049143. The next prime is 16490049167. The reversal of 16490049161 is 16194009461.

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 16490049161 - 2²⁶ = 16422940297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16490049167) 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, 194780 + ... + 266306.

It is an arithmetic number, because the mean of its divisors is an integer number (2111935728).

Almost surely, 2^16490049161 is an apocalyptic number.

It is an amenable number.

16490049161 is a deficient number, since it is larger than the sum of its proper divisors (405436663).

16490049161 is an equidigital number, since it uses as much as digits as its factorization.

16490049161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77191.

The product of its (nonzero) digits is 46656, while the sum is 41.

The spelling of 16490049161 in words is "sixteen billion, four hundred ninety million, forty-nine thousand, one hundred sixty-one".