964561518 has 48 divisors (see below), whose sum is σ = 2165136480. Its totient is φ = 309976128.

The previous prime is 964561457. The next prime is 964561519. The reversal of 964561518 is 815165469.

964561518 is a `hidden beast` number, since 96 + 45 + 6 + 1 + 518 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (964561519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 665871 + ... + 667317.

It is an arithmetic number, because the mean of its divisors is an integer number (45107010).

Almost surely, 2^964561518 is an apocalyptic number.

964561518 is an abundant number, since it is smaller than the sum of its proper divisors (1200574962).

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

964561518 is a wasteful number, since it uses less digits than its factorization.

964561518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761 (or 2758 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 964561518 is about 31057.3907146109. The cubic root of 964561518 is about 988.0448158082.

The spelling of 964561518 in words is "nine hundred sixty-four million, five hundred sixty-one thousand, five hundred eighteen".