1064594817690 has 32 divisors (see below), whose sum is σ = 2705323302720. Its totient is φ = 267192424704.

The previous prime is 1064594817511. The next prime is 1064594817719. The reversal of 1064594817690 is 967184954601.

It is a super-2 number, since 2×1064594817690² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1043719900 + ... + 1043720919.

It is an arithmetic number, because the mean of its divisors is an integer number (84541353210).

Almost surely, 2^{1064594817690} is an apocalyptic number.

1064594817690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1064594817690 is an abundant number, since it is smaller than the sum of its proper divisors (1640728485030).

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

1064594817690 is a wasteful number, since it uses less digits than its factorization.

1064594817690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087440846.

The product of its (nonzero) digits is 13063680, while the sum is 60.

The spelling of 1064594817690 in words is "one trillion, sixty-four billion, five hundred ninety-four million, eight hundred seventeen thousand, six hundred ninety".