1630740225751 has 8 divisors (see below), whose sum is σ = 2007064893344. Its totient is φ = 1290256002720.

The previous prime is 1630740225743. The next prime is 1630740225757. The reversal of 1630740225751 is 1575220470361.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1630740225751 - 2³ = 1630740225743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1630740225698 and 1630740225707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630740225757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8960111040 + ... + 8960111221.

It is an arithmetic number, because the mean of its divisors is an integer number (250883111668).

Almost surely, 2^{1630740225751} is an apocalyptic number.

1630740225751 is a deficient number, since it is larger than the sum of its proper divisors (376324667593).

1630740225751 is a wasteful number, since it uses less digits than its factorization.

1630740225751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17920222281.

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 1630740225751 in words is "one trillion, six hundred thirty billion, seven hundred forty million, two hundred twenty-five thousand, seven hundred fifty-one".