1681414530 has 16 divisors (see below), whose sum is σ = 4035394944. Its totient is φ = 448377200.

The previous prime is 1681414499. The next prime is 1681414531. The reversal of 1681414530 is 354141861.

It is a junction number, because it is equal to n+sod(n) for n = 1681414491 and 1681414500.

It is not an unprimeable number, because it can be changed into a prime (1681414531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28023546 + ... + 28023605.

It is an arithmetic number, because the mean of its divisors is an integer number (252212184).

Almost surely, 2^1681414530 is an apocalyptic number.

1681414530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1681414530 is an abundant number, since it is smaller than the sum of its proper divisors (2353980414).

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

1681414530 is a wasteful number, since it uses less digits than its factorization.

1681414530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56047161.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 1681414530 is about 41005.0549322885. The cubic root of 1681414530 is about 1189.1179420315.

The spelling of 1681414530 in words is "one billion, six hundred eighty-one million, four hundred fourteen thousand, five hundred thirty".