1634376560 has 80 divisors (see below), whose sum is σ = 3910407456. Its totient is φ = 635019264.

The previous prime is 1634376559. The next prime is 1634376581. The reversal of 1634376560 is 656734361.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 389192 + ... + 393368.

Almost surely, 2^1634376560 is an apocalyptic number.

1634376560 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 1634376560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1955203728).

1634376560 is an abundant number, since it is smaller than the sum of its proper divisors (2276030896).

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

1634376560 is a wasteful number, since it uses less digits than its factorization.

1634376560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4330 (or 4324 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 41.

The square root of 1634376560 is about 40427.4233658293. The cubic root of 1634376560 is about 1177.9242833719.

The spelling of 1634376560 in words is "one billion, six hundred thirty-four million, three hundred seventy-six thousand, five hundred sixty".