7316821887136 has 48 divisors (see below), whose sum is σ = 14586765870600. Its totient is φ = 3612475542528.

The previous prime is 7316821887121. The next prime is 7316821887157. The reversal of 7316821887136 is 6317881286137.

It can be written as a sum of positive squares in 4 ways, for example, as 7312935611536 + 3886275600 = 2704244^2 + 62340^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2557731 + ... + 4601698.

Almost surely, 2^{7316821887136} is an apocalyptic number.

It is an amenable number.

7316821887136 is a deficient number, since it is larger than the sum of its proper divisors (7269943983464).

7316821887136 is a wasteful number, since it uses less digits than its factorization.

7316821887136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7159841 (or 7159833 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 61.

The spelling of 7316821887136 in words is "seven trillion, three hundred sixteen billion, eight hundred twenty-one million, eight hundred eighty-seven thousand, one hundred thirty-six".