67964517146 has 4 divisors (see below), whose sum is σ = 101946775722. Its totient is φ = 33982258572.

The previous prime is 67964517133. The next prime is 67964517157. The reversal of 67964517146 is 64171546976.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 54051135121 + 13913382025 = 232489^2 + 117955^2 .

It is a junction number, because it is equal to n+sod(n) for n = 67964517091 and 67964517100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16991129285 + ... + 16991129288.

Almost surely, 2^67964517146 is an apocalyptic number.

67964517146 is a deficient number, since it is larger than the sum of its proper divisors (33982258576).

67964517146 is a wasteful number, since it uses less digits than its factorization.

67964517146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33982258575.

The product of its digits is 7620480, while the sum is 56.

The spelling of 67964517146 in words is "sixty-seven billion, nine hundred sixty-four million, five hundred seventeen thousand, one hundred forty-six".