1966005692 has 48 divisors (see below), whose sum is σ = 3998776320. Its totient is φ = 828360000.

The previous prime is 1966005689. The next prime is 1966005697. The reversal of 1966005692 is 2965006691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1966005697) 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, 553442 + ... + 556982.

It is an arithmetic number, because the mean of its divisors is an integer number (83307840).

Almost surely, 2^1966005692 is an apocalyptic number.

It is an amenable number.

1966005692 is an abundant number, since it is smaller than the sum of its proper divisors (2032770628).

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

1966005692 is a wasteful number, since it uses less digits than its factorization.

1966005692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3882 (or 3880 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 1966005692 is about 44339.6627411621. The cubic root of 1966005692 is about 1252.7418623154.

Subtracting 1966005692 from its reverse (2965006691), we obtain a palindrome (999000999).

The spelling of 1966005692 in words is "one billion, nine hundred sixty-six million, five thousand, six hundred ninety-two".