19950432516 has 405 divisors, whose sum is σ = 65134212759. Its totient is φ = 5308589664.

The previous prime is 19950432503. The next prime is 19950432539. The reversal of 19950432516 is 61523405991.

19950432516 = 1³ + 2³ + ... + 531³.

The square root of 19950432516 is 141246.

It is a perfect power (a square), and thus also a powerful number.

19950432516 is a `hidden beast` number, since 1 + 9 + 95 + 0 + 43 + 2 + 516 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 338142895 + ... + 338142953.

Almost surely, 2^19950432516 is an apocalyptic number.

19950432516 is the 141246-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19950432516

19950432516 is an abundant number, since it is smaller than the sum of its proper divisors (45183780243).

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

19950432516 is a wasteful number, since it uses less digits than its factorization.

19950432516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The spelling of 19950432516 in words is "nineteen billion, nine hundred fifty million, four hundred thirty-two thousand, five hundred sixteen".