690656016 has 20 divisors (see below), whose sum is σ = 1784194832. Its totient is φ = 230218656.

The previous prime is 690656009. The next prime is 690656027. The reversal of 690656016 is 610656096.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7194286 + ... + 7194381.

Almost surely, 2^690656016 is an apocalyptic number.

It is an amenable number.

690656016 is an abundant number, since it is smaller than the sum of its proper divisors (1093538816).

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

690656016 is a wasteful number, since it uses less digits than its factorization.

690656016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14388678 (or 14388672 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 690656016 is about 26280.3351576802. The cubic root of 690656016 is about 883.9355480811.

The spelling of 690656016 in words is "six hundred ninety million, six hundred fifty-six thousand, sixteen".