1087664061 has 8 divisors (see below), whose sum is σ = 1582056864. Its totient is φ = 659190320.

The previous prime is 1087664057. The next prime is 1087664069. The reversal of 1087664061 is 1604667801.

It is a happy number.

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 1087664061 - 2² = 1087664057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087664069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16479726 + ... + 16479791.

It is an arithmetic number, because the mean of its divisors is an integer number (197757108).

Almost surely, 2^1087664061 is an apocalyptic number.

1087664061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1087664061 is a deficient number, since it is larger than the sum of its proper divisors (494392803).

1087664061 is a wasteful number, since it uses less digits than its factorization.

1087664061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32959531.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 1087664061 is about 32979.7522883359. The cubic root of 1087664061 is about 1028.4067682871.

The spelling of 1087664061 in words is "one billion, eighty-seven million, six hundred sixty-four thousand, sixty-one".