2061662625 has 160 divisors (see below), whose sum is σ = 4256613504. Its totient is φ = 984528000.

The previous prime is 2061662623. The next prime is 2061662627. The reversal of 2061662625 is 5262661602.

2061662625 is a `hidden beast` number, since 2 + 0 + 6 + 1 + 6 + 626 + 25 = 666.

It is an interprime number because it is at equal distance from previous prime (2061662623) and next prime (2061662627).

It is not a de Polignac number, because 2061662625 - 2¹ = 2061662623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2061662625.

It is not an unprimeable number, because it can be changed into a prime (2061662623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 11917039 + ... + 11917211.

Almost surely, 2^2061662625 is an apocalyptic number.

2061662625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2061662625 is an abundant number, since it is smaller than the sum of its proper divisors (2194950879).

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

2061662625 is a wasteful number, since it uses less digits than its factorization.

2061662625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 2061662625 is about 45405.5351801958. The cubic root of 2061662625 is about 1272.7385518288.

The spelling of 2061662625 in words is "two billion, sixty-one million, six hundred sixty-two thousand, six hundred twenty-five".