1067642164 has 12 divisors (see below), whose sum is σ = 1877764000. Its totient is φ = 531138168.

The previous prime is 1067642153. The next prime is 1067642171. The reversal of 1067642164 is 4612467601.

It is a super-2 number, since 2×1067642164² = 2279719580701205792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 669834 + ... + 671425.

Almost surely, 2^1067642164 is an apocalyptic number.

It is an amenable number.

1067642164 is a deficient number, since it is larger than the sum of its proper divisors (810121836).

1067642164 is a wasteful number, since it uses less digits than its factorization.

1067642164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341462 (or 1341460 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 1067642164 is about 32674.7940161832. The cubic root of 1067642164 is about 1022.0572869595.

The spelling of 1067642164 in words is "one billion, sixty-seven million, six hundred forty-two thousand, one hundred sixty-four".