676161504 has 144 divisors (see below), whose sum is σ = 1987103664. Its totient is φ = 217958400.

The previous prime is 676161481. The next prime is 676161511. The reversal of 676161504 is 405161676.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2042619 + ... + 2042949.

It is an arithmetic number, because the mean of its divisors is an integer number (13799331).

Almost surely, 2^676161504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 676161504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (993551832).

676161504 is an abundant number, since it is smaller than the sum of its proper divisors (1310942160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

676161504 is a wasteful number, since it uses less digits than its factorization.

676161504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561 (or 550 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 676161504 is about 26003.1056606706. The cubic root of 676161504 is about 877.7081825195.

It can be divided in two parts, 6761 and 61504, that added together give a triangular number (68265 = T₃₆₉).

The spelling of 676161504 in words is "six hundred seventy-six million, one hundred sixty-one thousand, five hundred four".