1070664261 has 4 divisors (see below), whose sum is σ = 1427552352. Its totient is φ = 713776172.

The previous prime is 1070664247. The next prime is 1070664263. The reversal of 1070664261 is 1624660701.

1070664261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1070664261 - 2⁶ = 1070664197 is a prime.

It is a super-2 number, since 2×1070664261² = 2292643919565352242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1070664263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178444041 + ... + 178444046.

It is an arithmetic number, because the mean of its divisors is an integer number (356888088).

Almost surely, 2^1070664261 is an apocalyptic number.

It is an amenable number.

1070664261 is a deficient number, since it is larger than the sum of its proper divisors (356888091).

1070664261 is an equidigital number, since it uses as much as digits as its factorization.

1070664261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356888090.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 1070664261 is about 32721.0064178961. The cubic root of 1070664261 is about 1023.0207328801.

The spelling of 1070664261 in words is "one billion, seventy million, six hundred sixty-four thousand, two hundred sixty-one".