1966100732075 has 48 divisors (see below), whose sum is σ = 2552530841856. Its totient is φ = 1499436681600.

The previous prime is 1966100732033. The next prime is 1966100732107. The reversal of 1966100732075 is 5702370016691.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1966100732075 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 219157340 + ... + 219166310.

It is an arithmetic number, because the mean of its divisors is an integer number (53177725872).

Almost surely, 2^{1966100732075} is an apocalyptic number.

1966100732075 is a deficient number, since it is larger than the sum of its proper divisors (586430109781).

1966100732075 is a wasteful number, since it uses less digits than its factorization.

1966100732075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10244 (or 10239 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 47.

The spelling of 1966100732075 in words is "one trillion, nine hundred sixty-six billion, one hundred million, seven hundred thirty-two thousand, seventy-five".