1955003241966 has 32 divisors (see below), whose sum is σ = 3983891143680. Its totient is φ = 639354322464.

The previous prime is 1955003241943. The next prime is 1955003241977. The reversal of 1955003241966 is 6691423005591.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16234011 + ... + 16353993.

It is an arithmetic number, because the mean of its divisors is an integer number (124496598240).

Almost surely, 2^{1955003241966} is an apocalyptic number.

1955003241966 is an abundant number, since it is smaller than the sum of its proper divisors (2028887901714).

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

1955003241966 is a wasteful number, since it uses less digits than its factorization.

1955003241966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171280.

The product of its (nonzero) digits is 1749600, while the sum is 51.

The spelling of 1955003241966 in words is "one trillion, nine hundred fifty-five billion, three million, two hundred forty-one thousand, nine hundred sixty-six".