1264500160 has 448 divisors, whose sum is σ = 4114068480. Its totient is φ = 358318080.

The previous prime is 1264500143. The next prime is 1264500191. The reversal of 1264500160 is 610054621.

It is a tau number, because it is divible by the number of its divisors (448).

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 17321884 + ... + 17321956.

Almost surely, 2^1264500160 is an apocalyptic number.

1264500160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1264500160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2057034240).

1264500160 is an abundant number, since it is smaller than the sum of its proper divisors (2849568320).

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

1264500160 is a wasteful number, since it uses less digits than its factorization.

1264500160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1264500160 is about 35559.8110231199. The cubic root of 1264500160 is about 1081.3666284254.

Adding to 1264500160 its reverse (610054621), we get a palindrome (1874554781).

The spelling of 1264500160 in words is "one billion, two hundred sixty-four million, five hundred thousand, one hundred sixty".