1631413650 has 24 divisors (see below), whose sum is σ = 4045906224. Its totient is φ = 435043600.

The previous prime is 1631413649. The next prime is 1631413717. The reversal of 1631413650 is 563141361.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 5437896 + ... + 5438195.

It is an arithmetic number, because the mean of its divisors is an integer number (168579426).

Almost surely, 2^1631413650 is an apocalyptic number.

1631413650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1631413650 is an abundant number, since it is smaller than the sum of its proper divisors (2414492574).

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

1631413650 is a wasteful number, since it uses less digits than its factorization.

1631413650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10876106 (or 10876101 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 1631413650 is about 40390.7619388394. The cubic root of 1631413650 is about 1177.2120454720.

The spelling of 1631413650 in words is "one billion, six hundred thirty-one million, four hundred thirteen thousand, six hundred fifty".