9164855457 has 16 divisors (see below), whose sum is σ = 13667487360. Its totient is φ = 6069438000.

The previous prime is 9164855423. The next prime is 9164855459. The reversal of 9164855457 is 7545584619.

It is a happy number.

9164855457 is a `hidden beast` number, since 9 + 16 + 4 + 85 + 545 + 7 = 666.

It is not a de Polignac number, because 9164855457 - 2⁶ = 9164855393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9164855459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1119894 + ... + 1128047.

It is an arithmetic number, because the mean of its divisors is an integer number (854217960).

Almost surely, 2^9164855457 is an apocalyptic number.

It is an amenable number.

9164855457 is a deficient number, since it is larger than the sum of its proper divisors (4502631903).

9164855457 is a wasteful number, since it uses less digits than its factorization.

9164855457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248101 (or 2248095 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 54.

The square root of 9164855457 is about 95733.2515743616. The cubic root of 9164855457 is about 2092.7075443220.

The spelling of 9164855457 in words is "nine billion, one hundred sixty-four million, eight hundred fifty-five thousand, four hundred fifty-seven".