72201342168 has 32 divisors (see below), whose sum is σ = 200559284400. Its totient is φ = 24067113984.

The previous prime is 72201342139. The next prime is 72201342173. The reversal of 72201342168 is 86124310227.

It is a happy number.

72201342168 is a `hidden beast` number, since 7 + 220 + 1 + 3 + 421 + 6 + 8 = 666.

It is a super-2 number, since 2×72201342168² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 167132521 + ... + 167132952.

Almost surely, 2^72201342168 is an apocalyptic number.

It is an amenable number.

72201342168 is an abundant number, since it is smaller than the sum of its proper divisors (128357942232).

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

72201342168 is a wasteful number, since it uses less digits than its factorization.

72201342168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334265488 (or 334265478 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 72201342168 in words is "seventy-two billion, two hundred one million, three hundred forty-two thousand, one hundred sixty-eight".