99099001056 has 96 divisors (see below), whose sum is σ = 288019283328. Its totient is φ = 29581770240.

The previous prime is 99099001031. The next prime is 99099001063. The reversal of 99099001056 is 65010099099.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×99099001056² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 99099000996 and 99099001014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 629575 + ... + 771078.

It is an arithmetic number, because the mean of its divisors is an integer number (3000200868).

Almost surely, 2^99099001056 is an apocalyptic number.

99099001056 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

99099001056 is an abundant number, since it is smaller than the sum of its proper divisors (188920282272).

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

99099001056 is a wasteful number, since it uses less digits than its factorization.

99099001056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400744 (or 1400736 counting only the distinct ones).

The product of its (nonzero) digits is 196830, while the sum is 48.

The spelling of 99099001056 in words is "ninety-nine billion, ninety-nine million, one thousand, fifty-six".