1676967664 has 40 divisors (see below), whose sum is σ = 3499696640. Its totient is φ = 775873728.

The previous prime is 1676967641. The next prime is 1676967667. The reversal of 1676967664 is 4667696761.

It is a happy number.

It is a super-2 number, since 2×1676967664² = 5624441092203233792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1676967599 and 1676967608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1676967667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51072 + ... + 77215.

It is an arithmetic number, because the mean of its divisors is an integer number (87492416).

Almost surely, 2^1676967664 is an apocalyptic number.

It is an amenable number.

1676967664 is an abundant number, since it is smaller than the sum of its proper divisors (1822728976).

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

1676967664 is a wasteful number, since it uses less digits than its factorization.

1676967664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128357 (or 128351 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 58.

The square root of 1676967664 is about 40950.7956455061. The cubic root of 1676967664 is about 1188.0687229495.

The spelling of 1676967664 in words is "one billion, six hundred seventy-six million, nine hundred sixty-seven thousand, six hundred sixty-four".