1662066250 has 80 divisors (see below), whose sum is σ = 3501679104. Its totient is φ = 586872000.

The previous prime is 1662066239. The next prime is 1662066317. The reversal of 1662066250 is 526602661.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 371527 + ... + 375973.

Almost surely, 2^1662066250 is an apocalyptic number.

1662066250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1662066250 is an abundant number, since it is smaller than the sum of its proper divisors (1839612854).

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

1662066250 is a wasteful number, since it uses less digits than its factorization.

1662066250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4505 (or 4490 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 1662066250 is about 40768.4467450012. The cubic root of 1662066250 is about 1184.5392168388.

The spelling of 1662066250 in words is "one billion, six hundred sixty-two million, sixty-six thousand, two hundred fifty".