1630189208025 has 96 divisors (see below), whose sum is σ = 3623860558080. Its totient is φ = 701392296960.

The previous prime is 1630189208017. The next prime is 1630189208027. The reversal of 1630189208025 is 5208029810361.

1630189208025 is a `hidden beast` number, since 1 + 630 + 1 + 8 + 9 + 2 + 0 + 8 + 0 + 2 + 5 = 666.

It is not a de Polignac number, because 1630189208025 - 2³ = 1630189208017 is a prime.

It is a super-2 number, since 2×1630189208025² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1630189208027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10067134 + ... + 10227783.

It is an arithmetic number, because the mean of its divisors is an integer number (37748547480).

Almost surely, 2^{1630189208025} is an apocalyptic number.

1630189208025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1630189208025 is an abundant number, since it is smaller than the sum of its proper divisors (1993671350055).

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

1630189208025 is a wasteful number, since it uses less digits than its factorization.

1630189208025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20294960 (or 20294949 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 1630189208025 in words is "one trillion, six hundred thirty billion, one hundred eighty-nine million, two hundred eight thousand, twenty-five".