1065164747 has 4 divisors (see below), whose sum is σ = 1067946240. Its totient is φ = 1062383256.

The previous prime is 1065164741. The next prime is 1065164783. The reversal of 1065164747 is 7474615601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1065164747 - 2⁴ = 1065164731 is a prime.

It is a super-2 number, since 2×1065164747² = 2269151876503148018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1065164741) 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, 1390172 + ... + 1390937.

It is an arithmetic number, because the mean of its divisors is an integer number (266986560).

Almost surely, 2^1065164747 is an apocalyptic number.

1065164747 is a deficient number, since it is larger than the sum of its proper divisors (2781493).

1065164747 is an equidigital number, since it uses as much as digits as its factorization.

1065164747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2781492.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 1065164747 is about 32636.8617823467. The cubic root of 1065164747 is about 1021.2661282658.

The spelling of 1065164747 in words is "one billion, sixty-five million, one hundred sixty-four thousand, seven hundred forty-seven".