166434132415 has 16 divisors (see below), whose sum is σ = 205206976800. Its totient is φ = 129493054080.

The previous prime is 166434132313. The next prime is 166434132419. The reversal of 166434132415 is 514231434661.

It is not a de Polignac number, because 166434132415 - 2¹³ = 166434124223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166434132419) 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, 240936 + ... + 625234.

It is an arithmetic number, because the mean of its divisors is an integer number (12825436050).

Almost surely, 2^166434132415 is an apocalyptic number.

166434132415 is a deficient number, since it is larger than the sum of its proper divisors (38772844385).

166434132415 is a wasteful number, since it uses less digits than its factorization.

166434132415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386682.

The product of its digits is 207360, while the sum is 40.

The spelling of 166434132415 in words is "one hundred sixty-six billion, four hundred thirty-four million, one hundred thirty-two thousand, four hundred fifteen".