67057364663 has 4 divisors (see below), whose sum is σ = 68058220920. Its totient is φ = 66056508408.

The previous prime is 67057364629. The next prime is 67057364681. The reversal of 67057364663 is 36646375076.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 67057364663 - 2³² = 62762397367 is a prime.

It is a super-2 number, since 2×67057364663² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67057361663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500428028 + ... + 500428161.

It is an arithmetic number, because the mean of its divisors is an integer number (17014555230).

Almost surely, 2^67057364663 is an apocalyptic number.

67057364663 is a deficient number, since it is larger than the sum of its proper divisors (1000856257).

67057364663 is a wasteful number, since it uses less digits than its factorization.

67057364663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000856256.

The product of its (nonzero) digits is 11430720, while the sum is 53.

The spelling of 67057364663 in words is "sixty-seven billion, fifty-seven million, three hundred sixty-four thousand, six hundred sixty-three".