1630767650 has 24 divisors (see below), whose sum is σ = 3034319184. Its totient is φ = 652072400.

The previous prime is 1630767641. The next prime is 1630767683. The reversal of 1630767650 is 567670361.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1630767598 and 1630767607.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 222545 + ... + 229755.

It is an arithmetic number, because the mean of its divisors is an integer number (126429966).

Almost surely, 2^1630767650 is an apocalyptic number.

1630767650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1630767650 is a deficient number, since it is larger than the sum of its proper divisors (1403551534).

1630767650 is a wasteful number, since it uses less digits than its factorization.

1630767650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11746 (or 11741 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 1630767650 is about 40382.7642689304. The cubic root of 1630767650 is about 1177.0566425427.

The spelling of 1630767650 in words is "one billion, six hundred thirty million, seven hundred sixty-seven thousand, six hundred fifty".