16177866049 has 16 divisors (see below), whose sum is σ = 16643195712. Its totient is φ = 15716832768.

The previous prime is 16177866031. The next prime is 16177866053. The reversal of 16177866049 is 94066877161.

It is a cyclic number.

It is not a de Polignac number, because 16177866049 - 2²¹ = 16175768897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16177866149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7980174 + ... + 7982200.

It is an arithmetic number, because the mean of its divisors is an integer number (1040199732).

Almost surely, 2^16177866049 is an apocalyptic number.

It is an amenable number.

16177866049 is a deficient number, since it is larger than the sum of its proper divisors (465329663).

16177866049 is a wasteful number, since it uses less digits than its factorization.

16177866049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2976.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The spelling of 16177866049 in words is "sixteen billion, one hundred seventy-seven million, eight hundred sixty-six thousand, forty-nine".