9132920646 has 32 divisors (see below), whose sum is σ = 19490605440. Its totient is φ = 2844569664.

The previous prime is 9132920617. The next prime is 9132920651. The reversal of 9132920646 is 6460292319.

It is a super-2 number, since 2×9132920646² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9132920598 and 9132920607.

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, 540400 + ... + 557043.

It is an arithmetic number, because the mean of its divisors is an integer number (609081420).

Almost surely, 2^9132920646 is an apocalyptic number.

9132920646 is an abundant number, since it is smaller than the sum of its proper divisors (10357684794).

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

9132920646 is a wasteful number, since it uses less digits than its factorization.

9132920646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097540.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 9132920646 is about 95566.3154359317. The cubic root of 9132920646 is about 2090.2740455497.

The spelling of 9132920646 in words is "nine billion, one hundred thirty-two million, nine hundred twenty thousand, six hundred forty-six".