141664520 has 16 divisors (see below), whose sum is σ = 318745260. Its totient is φ = 56665792.

The previous prime is 141664511. The next prime is 141664531. The reversal of 141664520 is 25466141.

It can be written as a sum of positive squares in 2 ways, for example, as 139665124 + 1999396 = 11818^2 + 1414^2 .

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, 1770767 + ... + 1770846.

Almost surely, 2^141664520 is an apocalyptic number.

141664520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141664520 is an abundant number, since it is smaller than the sum of its proper divisors (177080740).

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

141664520 is a wasteful number, since it uses less digits than its factorization.

141664520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3541624 (or 3541620 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 141664520 is about 11902.2905358591. The cubic root of 141664520 is about 521.2991676309.

The spelling of 141664520 in words is "one hundred forty-one million, six hundred sixty-four thousand, five hundred twenty".