1064171982 has 8 divisors (see below), whose sum is σ = 2128343976. Its totient is φ = 354723992.

The previous prime is 1064171923. The next prime is 1064171987. The reversal of 1064171982 is 2891714601.

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

1064171982 is an admirable number.

It is a super-2 number, since 2×1064171982² = 2264924014547616648, 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 1064171982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064171987) 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, 88680993 + ... + 88681004.

It is an arithmetic number, because the mean of its divisors is an integer number (266042997).

Almost surely, 2^1064171982 is an apocalyptic number.

1064171982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1064171982 is a wasteful number, since it uses less digits than its factorization.

1064171982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177362002.

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 1064171982 is about 32621.6489773279. The cubic root of 1064171982 is about 1020.9487462452.

The spelling of 1064171982 in words is "one billion, sixty-four million, one hundred seventy-one thousand, nine hundred eighty-two".