1061966464 has 32 divisors (see below), whose sum is σ = 2278381140. Its totient is φ = 490137600.

The previous prime is 1061966453. The next prime is 1061966483. The reversal of 1061966464 is 4646691601.

It can be written as a sum of positive squares in 2 ways, for example, as 1024512064 + 37454400 = 32008^2 + 6120^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1061966464² = 2255545541321326592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1061966464.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 317437 + ... + 320764.

Almost surely, 2^1061966464 is an apocalyptic number.

It is an amenable number.

1061966464 is an abundant number, since it is smaller than the sum of its proper divisors (1216414676).

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

1061966464 is an equidigital number, since it uses as much as digits as its factorization.

1061966464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638228 (or 638216 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 1061966464 is about 32587.8269296988. The cubic root of 1061966464 is about 1020.2429461027.

The spelling of 1061966464 in words is "one billion, sixty-one million, nine hundred sixty-six thousand, four hundred sixty-four".