676166649 has 8 divisors (see below), whose sum is σ = 901676160. Its totient is φ = 450717456.

The previous prime is 676166599. The next prime is 676166657. The reversal of 676166649 is 946661676.

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

It is not a de Polignac number, because 676166649 - 2¹⁵ = 676133881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (676166149) 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, 32799 + ... + 49275.

It is an arithmetic number, because the mean of its divisors is an integer number (112709520).

Almost surely, 2^676166649 is an apocalyptic number.

It is an amenable number.

676166649 is a deficient number, since it is larger than the sum of its proper divisors (225509511).

676166649 is a wasteful number, since it uses less digits than its factorization.

676166649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30159.

The product of its digits is 1959552, while the sum is 51.

The square root of 676166649 is about 26003.2045909730. The cubic root of 676166649 is about 877.7104087121.

The spelling of 676166649 in words is "six hundred seventy-six million, one hundred sixty-six thousand, six hundred forty-nine".