9146620880 has 40 divisors (see below), whose sum is σ = 21999205800. Its totient is φ = 3532487168.

The previous prime is 9146620871. The next prime is 9146620883. The reversal of 9146620880 is 880266419.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 37063744 + 9109557136 = 6088^2 + 95444^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9146620883) 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, 1968935 + ... + 1973574.

It is an arithmetic number, because the mean of its divisors is an integer number (549980145).

Almost surely, 2^9146620880 is an apocalyptic number.

It is an amenable number.

9146620880 is an abundant number, since it is smaller than the sum of its proper divisors (12852584920).

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

9146620880 is a wasteful number, since it uses less digits than its factorization.

9146620880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3942551 (or 3942545 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 9146620880 is about 95637.9677743102. The cubic root of 9146620880 is about 2091.3187254524.

The spelling of 9146620880 in words is "nine billion, one hundred forty-six million, six hundred twenty thousand, eight hundred eighty".