9865167464 has 8 divisors (see below), whose sum is σ = 18497189010. Its totient is φ = 4932583728.

The previous prime is 9865167419. The next prime is 9865167503. The reversal of 9865167464 is 4647615689.

It can be written as a sum of positive squares in only one way, i.e., 5920071364 + 3945096100 = 76942^2 + 62810^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616572959 + ... + 616572974.

Almost surely, 2^9865167464 is an apocalyptic number.

It is an amenable number.

9865167464 is a deficient number, since it is larger than the sum of its proper divisors (8632021546).

9865167464 is a wasteful number, since it uses less digits than its factorization.

9865167464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233145939 (or 1233145935 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 56.

The square root of 9865167464 is about 99323.5493928806. The cubic root of 9865167464 is about 2144.7079121878.

The spelling of 9865167464 in words is "nine billion, eight hundred sixty-five million, one hundred sixty-seven thousand, four hundred sixty-four".