1630156244 has 12 divisors (see below), whose sum is σ = 2853696384. Its totient is φ = 814814424.

The previous prime is 1630156223. The next prime is 1630156259. The reversal of 1630156244 is 4426510361.

It is a self number, because there is not a number n which added to its sum of digits gives 1630156244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51674 + ... + 77009.

It is an arithmetic number, because the mean of its divisors is an integer number (237808032).

Almost surely, 2^1630156244 is an apocalyptic number.

It is an amenable number.

1630156244 is a deficient number, since it is larger than the sum of its proper divisors (1223540140).

1630156244 is a wasteful number, since it uses less digits than its factorization.

1630156244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131854 (or 131852 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1630156244 is about 40375.1934236853. The cubic root of 1630156244 is about 1176.9095238017.

The spelling of 1630156244 in words is "one billion, six hundred thirty million, one hundred fifty-six thousand, two hundred forty-four".