2166732662407 has 8 divisors (see below), whose sum is σ = 2176492108640. Its totient is φ = 2156975805600.

The previous prime is 2166732662359. The next prime is 2166732662411. The reversal of 2166732662407 is 7042662376612.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2166732662407 - 2¹¹ = 2166732660359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2166732662467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1039813 + ... + 2326945.

It is an arithmetic number, because the mean of its divisors is an integer number (272061513580).

Almost surely, 2^{2166732662407} is an apocalyptic number.

2166732662407 is a deficient number, since it is larger than the sum of its proper divisors (9759446233).

2166732662407 is a wasteful number, since it uses less digits than its factorization.

2166732662407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294713.

The product of its (nonzero) digits is 6096384, while the sum is 52.

The spelling of 2166732662407 in words is "two trillion, one hundred sixty-six billion, seven hundred thirty-two million, six hundred sixty-two thousand, four hundred seven".