398202202164 has 24 divisors (see below), whose sum is σ = 1000610662240. Its totient is φ = 122523754464.

The previous prime is 398202202087. The next prime is 398202202213. The reversal of 398202202164 is 461202202893.

398202202164 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

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, 1276288954 + ... + 1276289265.

Almost surely, 2^398202202164 is an apocalyptic number.

It is an amenable number.

398202202164 is an abundant number, since it is smaller than the sum of its proper divisors (602408460076).

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

398202202164 is a wasteful number, since it uses less digits than its factorization.

398202202164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552578239 (or 2552578237 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

It can be divided in two parts, 3 and 98202202164, that multiplied together give a palindrome (294606606492).

The spelling of 398202202164 in words is "three hundred ninety-eight billion, two hundred two million, two hundred two thousand, one hundred sixty-four".