168016667964 has 12 divisors (see below), whose sum is σ = 392038891944. Its totient is φ = 56005555984.

The previous prime is 168016667933. The next prime is 168016667971. The reversal of 168016667964 is 469766610861.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 168016667898 and 168016667907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7000694487 + ... + 7000694510.

It is an arithmetic number, because the mean of its divisors is an integer number (32669907662).

Almost surely, 2^168016667964 is an apocalyptic number.

It is an amenable number.

168016667964 is an abundant number, since it is smaller than the sum of its proper divisors (224022223980).

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

168016667964 is a wasteful number, since it uses less digits than its factorization.

168016667964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14001389004 (or 14001389002 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 60.

The spelling of 168016667964 in words is "one hundred sixty-eight billion, sixteen million, six hundred sixty-seven thousand, nine hundred sixty-four".