4163214579978 has 16 divisors (see below), whose sum is σ = 8327387095776. Its totient is φ = 1387578537360.

The previous prime is 4163214579961. The next prime is 4163214580013. The reversal of 4163214579978 is 8799754123614.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39857488 + ... + 39961803.

It is an arithmetic number, because the mean of its divisors is an integer number (520461693486).

Almost surely, 2^{4163214579978} is an apocalyptic number.

4163214579978 is an abundant number, since it is smaller than the sum of its proper divisors (4164172515798).

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

4163214579978 is a wasteful number, since it uses less digits than its factorization.

4163214579978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79827989.

The product of its digits is 91445760, while the sum is 66.

The spelling of 4163214579978 in words is "four trillion, one hundred sixty-three billion, two hundred fourteen million, five hundred seventy-nine thousand, nine hundred seventy-eight".