99602061825601 has 16 divisors (see below), whose sum is σ = 100352427102720. Its totient is φ = 98854553250880.

The previous prime is 99602061825599. The next prime is 99602061825667. The reversal of 99602061825601 is 10652816020699.

It is a cyclic number.

It is not a de Polignac number, because 99602061825601 - 2¹ = 99602061825599 is a prime.

It is a super-2 number, since 2×99602061825601² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99602061825691) 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, 656769555 + ... + 656921191.

It is an arithmetic number, because the mean of its divisors is an integer number (6272026693920).

Almost surely, 2^{99602061825601} is an apocalyptic number.

It is an amenable number.

99602061825601 is a deficient number, since it is larger than the sum of its proper divisors (750365277119).

99602061825601 is a wasteful number, since it uses less digits than its factorization.

99602061825601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161024.

The product of its (nonzero) digits is 2799360, while the sum is 55.

The spelling of 99602061825601 in words is "ninety-nine trillion, six hundred two billion, sixty-one million, eight hundred twenty-five thousand, six hundred one".