16476658677 has 6 divisors (see below), whose sum is σ = 23799618102. Its totient is φ = 10984439112.

The previous prime is 16476658673. The next prime is 16476658727. The reversal of 16476658677 is 77685667461.

It is a happy number.

16476658677 is a `hidden beast` number, since 1 + 6 + 47 + 6 + 6 + 586 + 7 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8340438276 + 8136220401 = 91326^2 + 90201^2 .

It is not a de Polignac number, because 16476658677 - 2² = 16476658673 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16476658673) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 915369918 + ... + 915369935.

It is an arithmetic number, because the mean of its divisors is an integer number (3966603017).

Almost surely, 2^16476658677 is an apocalyptic number.

It is an amenable number.

16476658677 is a deficient number, since it is larger than the sum of its proper divisors (7322959425).

16476658677 is a wasteful number, since it uses less digits than its factorization.

16476658677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830739859 (or 1830739856 counting only the distinct ones).

The product of its digits is 71124480, while the sum is 63.

The spelling of 16476658677 in words is "sixteen billion, four hundred seventy-six million, six hundred fifty-eight thousand, six hundred seventy-seven".