720210161567 has 16 divisors (see below), whose sum is σ = 800743292160. Its totient is φ = 643273401600.

The previous prime is 720210161549. The next prime is 720210161581. The reversal of 720210161567 is 765161012027.

It is a cyclic number.

It is not a de Polignac number, because 720210161567 - 2²⁶ = 720143052703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 720210161567.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720210161507) 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, 2828309 + ... + 3072417.

It is an arithmetic number, because the mean of its divisors is an integer number (50046455760).

Almost surely, 2^720210161567 is an apocalyptic number.

720210161567 is a deficient number, since it is larger than the sum of its proper divisors (80533130593).

720210161567 is a wasteful number, since it uses less digits than its factorization.

720210161567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251474.

The product of its (nonzero) digits is 35280, while the sum is 38.

The spelling of 720210161567 in words is "seven hundred twenty billion, two hundred ten million, one hundred sixty-one thousand, five hundred sixty-seven".