6890520016 has 10 divisors (see below), whose sum is σ = 13350382562. Its totient is φ = 3445260000.

The previous prime is 6890519899. The next prime is 6890520029. The reversal of 6890520016 is 6100250986.

It can be written as a sum of positive squares in only one way, i.e., 5990760000 + 899760016 = 77400^2 + 29996^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 215328735 + ... + 215328766.

Almost surely, 2^6890520016 is an apocalyptic number.

It is an amenable number.

6890520016 is a deficient number, since it is larger than the sum of its proper divisors (6459862546).

6890520016 is a wasteful number, since it uses less digits than its factorization.

6890520016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430657509 (or 430657503 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 6890520016 is about 83009.1562178535. The cubic root of 6890520016 is about 1902.9059885755.

The spelling of 6890520016 in words is "six billion, eight hundred ninety million, five hundred twenty thousand, sixteen".