9021658625 has 16 divisors (see below), whose sum is σ = 12867464064. Its totient is φ = 6186279600.

The previous prime is 9021658619. The next prime is 9021658627. The reversal of 9021658625 is 5268561209.

It is not a de Polignac number, because 9021658625 - 2⁸ = 9021658369 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (9021658627) 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, 5154359 + ... + 5156108.

It is an arithmetic number, because the mean of its divisors is an integer number (804216504).

Almost surely, 2^9021658625 is an apocalyptic number.

It is an amenable number.

9021658625 is a deficient number, since it is larger than the sum of its proper divisors (3845805439).

9021658625 is a wasteful number, since it uses less digits than its factorization.

9021658625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10310489 (or 10310479 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 9021658625 is about 94982.4121877308. The cubic root of 9021658625 is about 2081.7510698855.

It can be divided in two parts, 90216 and 58625, that added together give a palindrome (148841).

The spelling of 9021658625 in words is "nine billion, twenty-one million, six hundred fifty-eight thousand, six hundred twenty-five".