676169961 has 16 divisors (see below), whose sum is σ = 910166400. Its totient is φ = 446497920.

The previous prime is 676169959. The next prime is 676169983. The reversal of 676169961 is 169961676.

It is not a de Polignac number, because 676169961 - 2¹ = 676169959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (676169161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136671 + ... + 141531.

It is an arithmetic number, because the mean of its divisors is an integer number (56885400).

Almost surely, 2^676169961 is an apocalyptic number.

It is an amenable number.

676169961 is a deficient number, since it is larger than the sum of its proper divisors (233996439).

676169961 is a wasteful number, since it uses less digits than its factorization.

676169961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5296.

The product of its digits is 734832, while the sum is 51.

The square root of 676169961 is about 26003.2682753534. The cubic root of 676169961 is about 877.7118417770.

It can be divided in two parts, 67616 and 9961, that added together give a palindrome (77577).

The spelling of 676169961 in words is "six hundred seventy-six million, one hundred sixty-nine thousand, nine hundred sixty-one".