2131669421006 has 16 divisors (see below), whose sum is σ = 3200985270528. Its totient is φ = 1064674611000.

The previous prime is 2131669420997. The next prime is 2131669421009. The reversal of 2131669421006 is 6001249661312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131669421009) 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, 16168091 + ... + 16299401.

It is an arithmetic number, because the mean of its divisors is an integer number (200061579408).

Almost surely, 2^{2131669421006} is an apocalyptic number.

2131669421006 is a deficient number, since it is larger than the sum of its proper divisors (1069315849522).

2131669421006 is a wasteful number, since it uses less digits than its factorization.

2131669421006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140087.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 2131669421006 in words is "two trillion, one hundred thirty-one billion, six hundred sixty-nine million, four hundred twenty-one thousand, six".