99605004961 has 8 divisors (see below), whose sum is σ = 124182863424. Its totient is φ = 77614289520.

The previous prime is 99605004959. The next prime is 99605004971. The reversal of 99605004961 is 16940050699.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99605004961 - 2¹ = 99605004959 is a prime.

It is a super-2 number, since 2×99605004961² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99605004911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646785670 + ... + 646785823.

It is an arithmetic number, because the mean of its divisors is an integer number (15522857928).

Almost surely, 2^99605004961 is an apocalyptic number.

It is an amenable number.

99605004961 is a deficient number, since it is larger than the sum of its proper divisors (24577858463).

99605004961 is a wasteful number, since it uses less digits than its factorization.

99605004961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293571511.

The product of its (nonzero) digits is 524880, while the sum is 49.

The spelling of 99605004961 in words is "ninety-nine billion, six hundred five million, four thousand, nine hundred sixty-one".