215850141996 has 24 divisors (see below), whose sum is σ = 503696679360. Its totient is φ = 71943426192.

The previous prime is 215850141973. The next prime is 215850142003. The reversal of 215850141996 is 699141058512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 690906 + ... + 953441.

It is an arithmetic number, because the mean of its divisors is an integer number (20987361640).

Almost surely, 2^215850141996 is an apocalyptic number.

It is an amenable number.

215850141996 is an abundant number, since it is smaller than the sum of its proper divisors (287846537364).

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

215850141996 is a wasteful number, since it uses less digits than its factorization.

215850141996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655293 (or 1655291 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 51.

The spelling of 215850141996 in words is "two hundred fifteen billion, eight hundred fifty million, one hundred forty-one thousand, nine hundred ninety-six".