1200617646164 has 24 divisors (see below), whose sum is σ = 2164386174048. Its totient is φ = 582319631520.

The previous prime is 1200617646149. The next prime is 1200617646167. The reversal of 1200617646164 is 4616467160021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200617646167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12205214 + ... + 12303189.

It is an arithmetic number, because the mean of its divisors is an integer number (90182757252).

Almost surely, 2^{1200617646164} is an apocalyptic number.

It is an amenable number.

1200617646164 is a deficient number, since it is larger than the sum of its proper divisors (963768527884).

1200617646164 is a wasteful number, since it uses less digits than its factorization.

1200617646164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24508775 (or 24508773 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 1200617646164 in words is "one trillion, two hundred billion, six hundred seventeen million, six hundred forty-six thousand, one hundred sixty-four".