1166206432325 has 48 divisors (see below), whose sum is σ = 1632698000640. Its totient is φ = 818932224000.

The previous prime is 1166206432301. The next prime is 1166206432327. The reversal of 1166206432325 is 5232346026611.

It is a de Polignac number, because none of the positive numbers 2^k-1166206432325 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166206432327) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 560516 + ... + 1626834.

It is an arithmetic number, because the mean of its divisors is an integer number (34014541680).

Almost surely, 2^{1166206432325} is an apocalyptic number.

It is an amenable number.

1166206432325 is a deficient number, since it is larger than the sum of its proper divisors (466491568315).

1166206432325 is a wasteful number, since it uses less digits than its factorization.

1166206432325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066478 (or 1066473 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 1166206432325 in words is "one trillion, one hundred sixty-six billion, two hundred six million, four hundred thirty-two thousand, three hundred twenty-five".