1072638516 has 24 divisors (see below), whose sum is σ = 2503842880. Its totient is φ = 357400512.

The previous prime is 1072638491. The next prime is 1072638517. The reversal of 1072638516 is 6158362701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072638517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14880 + ... + 48648.

Almost surely, 2^1072638516 is an apocalyptic number.

It is an amenable number.

1072638516 is an abundant number, since it is smaller than the sum of its proper divisors (1431204364).

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

1072638516 is a wasteful number, since it uses less digits than its factorization.

1072638516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36423 (or 36421 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 1072638516 is about 32751.1605290561. The cubic root of 1072638516 is about 1023.6491476339.

The spelling of 1072638516 in words is "one billion, seventy-two million, six hundred thirty-eight thousand, five hundred sixteen".