216159669798 has 32 divisors (see below), whose sum is σ = 457769854080. Its totient is φ = 67811840640.

The previous prime is 216159669797. The next prime is 216159669839. The reversal of 216159669798 is 897966951612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216159669797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4273033 + ... + 4323323.

It is an arithmetic number, because the mean of its divisors is an integer number (14305307940).

Almost surely, 2^216159669798 is an apocalyptic number.

216159669798 is an abundant number, since it is smaller than the sum of its proper divisors (241610184282).

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

216159669798 is a wasteful number, since it uses less digits than its factorization.

216159669798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92452.

The product of its digits is 88179840, while the sum is 69.

The spelling of 216159669798 in words is "two hundred sixteen billion, one hundred fifty-nine million, six hundred sixty-nine thousand, seven hundred ninety-eight".