1966006755 has 16 divisors (see below), whose sum is σ = 3495123360. Its totient is φ = 1048536864.

The previous prime is 1966006709. The next prime is 1966006771. The reversal of 1966006755 is 5576006691.

It is not a de Polignac number, because 1966006755 - 2⁸ = 1966006499 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1966006755.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7281372 + ... + 7281641.

It is an arithmetic number, because the mean of its divisors is an integer number (218445210).

Almost surely, 2^1966006755 is an apocalyptic number.

1966006755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1966006755 is a deficient number, since it is larger than the sum of its proper divisors (1529116605).

1966006755 is a wasteful number, since it uses less digits than its factorization.

1966006755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14563027 (or 14563021 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The square root of 1966006755 is about 44339.6747281709. The cubic root of 1966006755 is about 1252.7420880971.

The spelling of 1966006755 in words is "one billion, nine hundred sixty-six million, six thousand, seven hundred fifty-five".