1067642536 has 16 divisors (see below), whose sum is σ = 2002577940. Its totient is φ = 533621760.

The previous prime is 1067642531. The next prime is 1067642567. The reversal of 1067642536 is 6352467601.

It can be written as a sum of positive squares in 2 ways, for example, as 823345636 + 244296900 = 28694^2 + 15630^2 .

It is a super-2 number, since 2×1067642536² = 2279721169353022592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1067642531) 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, 825 + ... + 46216.

Almost surely, 2^1067642536 is an apocalyptic number.

It is an amenable number.

1067642536 is a deficient number, since it is larger than the sum of its proper divisors (934935404).

1067642536 is a wasteful number, since it uses less digits than its factorization.

1067642536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49884 (or 49880 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 1067642536 is about 32674.7997086440. The cubic root of 1067642536 is about 1022.0574056651.

The spelling of 1067642536 in words is "one billion, sixty-seven million, six hundred forty-two thousand, five hundred thirty-six".