1064655885 has 32 divisors (see below), whose sum is σ = 1748666880. Its totient is φ = 552926528.

The previous prime is 1064655883. The next prime is 1064655887. The reversal of 1064655885 is 5885564601.

It is an interprime number because it is at equal distance from previous prime (1064655883) and next prime (1064655887).

It is a cyclic number.

It is not a de Polignac number, because 1064655885 - 2¹ = 1064655883 is a prime.

It is a super-2 number, since 2×1064655885² = 2266984306930266450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064655881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89074 + ... + 100316.

It is an arithmetic number, because the mean of its divisors is an integer number (54645840).

Almost surely, 2^1064655885 is an apocalyptic number.

1064655885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1064655885 is a deficient number, since it is larger than the sum of its proper divisors (684010995).

1064655885 is a wasteful number, since it uses less digits than its factorization.

1064655885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11417.

The product of its (nonzero) digits is 1152000, while the sum is 48.

The square root of 1064655885 is about 32629.0650341072. The cubic root of 1064655885 is about 1021.1034722684.

The spelling of 1064655885 in words is "one billion, sixty-four million, six hundred fifty-five thousand, eight hundred eighty-five".