9066971520 has 384 divisors, whose sum is σ = 32753579040. Its totient is φ = 2396749824.

The previous prime is 9066971503. The next prime is 9066971531. The reversal of 9066971520 is 251796609.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×9066971520² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26904792 + ... + 26905128.

Almost surely, 2^9066971520 is an apocalyptic number.

9066971520 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9066971520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16376789520).

9066971520 is an abundant number, since it is smaller than the sum of its proper divisors (23686607520).

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

9066971520 is a wasteful number, since it uses less digits than its factorization.

9066971520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 9066971520 is about 95220.6465006408. The cubic root of 9066971520 is about 2085.2305733310.

The spelling of 9066971520 in words is "nine billion, sixty-six million, nine hundred seventy-one thousand, five hundred twenty".