1652081412 has 12 divisors (see below), whose sum is σ = 3854856656. Its totient is φ = 550693800.

The previous prime is 1652081381. The next prime is 1652081423. The reversal of 1652081412 is 2141802561.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1652081412.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68836714 + ... + 68836737.

Almost surely, 2^1652081412 is an apocalyptic number.

1652081412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1652081412 is an abundant number, since it is smaller than the sum of its proper divisors (2202775244).

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

1652081412 is a wasteful number, since it uses less digits than its factorization.

1652081412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137673458 (or 137673456 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 1652081412 is about 40645.8043591217. The cubic root of 1652081412 is about 1182.1624170927.

Adding to 1652081412 its reverse (2141802561), we get a palindrome (3793883973).

The spelling of 1652081412 in words is "one billion, six hundred fifty-two million, eighty-one thousand, four hundred twelve".