1681414528 has 16 divisors (see below), whose sum is σ = 3349693260. Its totient is φ = 840707200.

The previous prime is 1681414499. The next prime is 1681414531. The reversal of 1681414528 is 8254141861.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 6567898 + ... + 6568153.

Almost surely, 2^1681414528 is an apocalyptic number.

It is an amenable number.

1681414528 is a deficient number, since it is larger than the sum of its proper divisors (1668278732).

1681414528 is an equidigital number, since it uses as much as digits as its factorization.

1681414528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13136065 (or 13136053 counting only the distinct ones).

The product of its digits is 61440, while the sum is 40.

The square root of 1681414528 is about 41005.0549079013. The cubic root of 1681414528 is about 1189.1179415600.

The spelling of 1681414528 in words is "one billion, six hundred eighty-one million, four hundred fourteen thousand, five hundred twenty-eight".