1200166202164 has 24 divisors (see below), whose sum is σ = 2223900282240. Its totient is φ = 564768118656.

The previous prime is 1200166202159. The next prime is 1200166202233. The reversal of 1200166202164 is 4612026610021.

It is a happy number.

It is a super-3 number, since 3×1200166202164³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2373027 + ... + 2834005.

It is an arithmetic number, because the mean of its divisors is an integer number (92662511760).

Almost surely, 2^{1200166202164} is an apocalyptic number.

It is an amenable number.

1200166202164 is a deficient number, since it is larger than the sum of its proper divisors (1023734080076).

1200166202164 is a wasteful number, since it uses less digits than its factorization.

1200166202164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499287 (or 499285 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 1200166202164 in words is "one trillion, two hundred billion, one hundred sixty-six million, two hundred two thousand, one hundred sixty-four".