9851191460 has 48 divisors (see below), whose sum is σ = 22651598592. Its totient is φ = 3569011200.

The previous prime is 9851191411. The next prime is 9851191463. The reversal of 9851191460 is 641911589.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (9851191463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22997 + ... + 142236.

It is an arithmetic number, because the mean of its divisors is an integer number (471908304).

Almost surely, 2^9851191460 is an apocalyptic number.

It is an amenable number.

9851191460 is an abundant number, since it is smaller than the sum of its proper divisors (12800407132).

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

9851191460 is a wasteful number, since it uses less digits than its factorization.

9851191460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165524 (or 165522 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 44.

The square root of 9851191460 is about 99253.1685136550. The cubic root of 9851191460 is about 2143.6946294238.

The spelling of 9851191460 in words is "nine billion, eight hundred fifty-one million, one hundred ninety-one thousand, four hundred sixty".