4152161640 has 64 divisors (see below), whose sum is σ = 13588896960. Its totient is φ = 1006584320.

The previous prime is 4152161597. The next prime is 4152161659. The reversal of 4152161640 is 461612514.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4152161598 and 4152161607.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1571469 + ... + 1574108.

It is an arithmetic number, because the mean of its divisors is an integer number (212326515).

Almost surely, 2^4152161640 is an apocalyptic number.

4152161640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4152161640 is an abundant number, since it is smaller than the sum of its proper divisors (9436735320).

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

4152161640 is a wasteful number, since it uses less digits than its factorization.

4152161640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3145602 (or 3145598 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 4152161640 is about 64437.2690296539. The cubic root of 4152161640 is about 1607.2795434674.

The spelling of 4152161640 in words is "four billion, one hundred fifty-two million, one hundred sixty-one thousand, six hundred forty".