420338161066 has 16 divisors (see below), whose sum is σ = 631177946784. Its totient is φ = 209945579184.

The previous prime is 420338161031. The next prime is 420338161127. The reversal of 420338161066 is 660161833024.

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, 16884220 + ... + 16909096.

It is an arithmetic number, because the mean of its divisors is an integer number (39448621674).

Almost surely, 2^420338161066 is an apocalyptic number.

420338161066 is a deficient number, since it is larger than the sum of its proper divisors (210839785718).

420338161066 is a wasteful number, since it uses less digits than its factorization.

420338161066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33525.

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 420338161066 in words is "four hundred twenty billion, three hundred thirty-eight million, one hundred sixty-one thousand, sixty-six".