1064731161 has 16 divisors (see below), whose sum is σ = 1533746816. Its totient is φ = 653118336.

The previous prime is 1064731147. The next prime is 1064731163. The reversal of 1064731161 is 1611374601.

It is not a de Polignac number, because 1064731161 - 2⁷ = 1064731033 is a prime.

It is a super-2 number, since 2×1064731161² = 2267304890408815842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1064731163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31405 + ... + 55818.

It is an arithmetic number, because the mean of its divisors is an integer number (95859176).

Almost surely, 2^1064731161 is an apocalyptic number.

It is an amenable number.

1064731161 is a deficient number, since it is larger than the sum of its proper divisors (469015655).

1064731161 is a wasteful number, since it uses less digits than its factorization.

1064731161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87552.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 1064731161 is about 32630.2185251647. The cubic root of 1064731161 is about 1021.1275372502.

The spelling of 1064731161 in words is "one billion, sixty-four million, seven hundred thirty-one thousand, one hundred sixty-one".