1064645461 has 8 divisors (see below), whose sum is σ = 1163155104. Its totient is φ = 966423120.

The previous prime is 1064645377. The next prime is 1064645479. The reversal of 1064645461 is 1645464601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1064645461 - 2⁷ = 1064645333 is a prime.

It is a super-2 number, since 2×1064645461² = 2266939915255805042, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1064645461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064645161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64035 + ... + 78928.

It is an arithmetic number, because the mean of its divisors is an integer number (145394388).

Almost surely, 2^1064645461 is an apocalyptic number.

1064645461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1064645461 is a deficient number, since it is larger than the sum of its proper divisors (98509643).

1064645461 is a wasteful number, since it uses less digits than its factorization.

1064645461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143651.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 1064645461 is about 32628.9052988297. The cubic root of 1064645461 is about 1021.1001397308.

The spelling of 1064645461 in words is "one billion, sixty-four million, six hundred forty-five thousand, four hundred sixty-one".