1630850172 has 24 divisors (see below), whose sum is σ = 4348934016. Its totient is φ = 465957168.

The previous prime is 1630850129. The next prime is 1630850197. The reversal of 1630850172 is 2710580361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9707358 + ... + 9707525.

It is an arithmetic number, because the mean of its divisors is an integer number (181205584).

Almost surely, 2^1630850172 is an apocalyptic number.

1630850172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1630850172 is an abundant number, since it is smaller than the sum of its proper divisors (2718083844).

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

1630850172 is a wasteful number, since it uses less digits than its factorization.

1630850172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19414897 (or 19414895 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 1630850172 is about 40383.7860037912. The cubic root of 1630850172 is about 1177.0764964706.

The spelling of 1630850172 in words is "one billion, six hundred thirty million, eight hundred fifty thousand, one hundred seventy-two".