1966907485 has 16 divisors (see below), whose sum is σ = 2439665280. Its totient is φ = 1521483840.

The previous prime is 1966907483. The next prime is 1966907563. The reversal of 1966907485 is 5847096691.

It is not a de Polignac number, because 1966907485 - 2¹ = 1966907483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1966907483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36657 + ... + 72646.

It is an arithmetic number, because the mean of its divisors is an integer number (152479080).

Almost surely, 2^1966907485 is an apocalyptic number.

It is an amenable number.

1966907485 is a deficient number, since it is larger than the sum of its proper divisors (472757795).

1966907485 is a wasteful number, since it uses less digits than its factorization.

1966907485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109428.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The square root of 1966907485 is about 44349.8307212102. The cubic root of 1966907485 is about 1252.9333743340.

The spelling of 1966907485 in words is "one billion, nine hundred sixty-six million, nine hundred seven thousand, four hundred eighty-five".