1601684696 has 8 divisors (see below), whose sum is σ = 3003158820. Its totient is φ = 800842344.

The previous prime is 1601684681. The next prime is 1601684729. The reversal of 1601684696 is 6964861061.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×1601684696³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1601684696.

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, 100105286 + ... + 100105301.

Almost surely, 2^1601684696 is an apocalyptic number.

It is an amenable number.

1601684696 is a deficient number, since it is larger than the sum of its proper divisors (1401474124).

1601684696 is a wasteful number, since it uses less digits than its factorization.

1601684696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200210593 (or 200210589 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 1601684696 is about 40021.0531595559. The cubic root of 1601684696 is about 1170.0174580394.

The spelling of 1601684696 in words is "one billion, six hundred one million, six hundred eighty-four thousand, six hundred ninety-six".