1067658648 has 96 divisors (see below), whose sum is σ = 3111611760. Its totient is φ = 304389120.

The previous prime is 1067658607. The next prime is 1067658677. The reversal of 1067658648 is 8468567601.

It is a super-2 number, since 2×1067658648² = 2279789977298375808, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1067658648.

It is a congruent number.

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 in 23 ways as a sum of consecutive naturals, for example, 894340 + ... + 895532.

Almost surely, 2^1067658648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1067658648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1555805880).

1067658648 is an abundant number, since it is smaller than the sum of its proper divisors (2043953112).

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

1067658648 is a wasteful number, since it uses less digits than its factorization.

1067658648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1977 (or 1966 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The square root of 1067658648 is about 32675.0462585748. The cubic root of 1067658648 is about 1022.0625469946.

The spelling of 1067658648 in words is "one billion, sixty-seven million, six hundred fifty-eight thousand, six hundred forty-eight".