67553906404 has 6 divisors (see below), whose sum is σ = 118219336214. Its totient is φ = 33776953200.

The previous prime is 67553906377. The next prime is 67553906411. The reversal of 67553906404 is 40460935576.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 64413424804 + 3140481600 = 253798^2 + 56040^2 .

It is a super-2 number, since 2×67553906404² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8444238297 + ... + 8444238304.

Almost surely, 2^67553906404 is an apocalyptic number.

It is an amenable number.

67553906404 is a deficient number, since it is larger than the sum of its proper divisors (50665429810).

67553906404 is a wasteful number, since it uses less digits than its factorization.

67553906404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16888476605 (or 16888476603 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 49.

The spelling of 67553906404 in words is "sixty-seven billion, five hundred fifty-three million, nine hundred six thousand, four hundred four".