1630766760 has 64 divisors (see below), whose sum is σ = 5591203200. Its totient is φ = 372746496.

The previous prime is 1630766729. The next prime is 1630766771. The reversal of 1630766760 is 676670361.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 969855 + ... + 971534.

It is an arithmetic number, because the mean of its divisors is an integer number (87362550).

Almost surely, 2^1630766760 is an apocalyptic number.

1630766760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1630766760 is an abundant number, since it is smaller than the sum of its proper divisors (3960436440).

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

1630766760 is a wasteful number, since it uses less digits than its factorization.

1630766760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941410 (or 1941406 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 42.

The square root of 1630766760 is about 40382.7532493761. The cubic root of 1630766760 is about 1177.0564284144.

The spelling of 1630766760 in words is "one billion, six hundred thirty million, seven hundred sixty-six thousand, seven hundred sixty".